add original C links to entry navigation bars

The navigation bar for a winning entry now has a "_Original C_" link
(between the ✅ and the Inventory on the right hand side) so that one
may easily view the original C code that was submitted for IOCCC judging.

Ran `make www timestamp` to perform the above.

2018/algmyr/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/algmyr/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/algmyr/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/algmyr/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Falgmyr%2Findex.html">&#x2713;</a>
 </div>
 

2018/anderson/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/anderson/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/anderson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/anderson/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fanderson%2Findex.html">&#x2713;</a>
 </div>
 

2018/bellard/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/bellard/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/bellard/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/bellard/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fbellard%2Findex.html">&#x2713;</a>
 </div>
 

2018/burton1/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/burton1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/burton1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/burton1/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fburton1%2Findex.html">&#x2713;</a>
 </div>
 

2018/burton2/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/burton2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/burton2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/burton2/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fburton2%2Findex.html">&#x2713;</a>
 </div>
 

2018/ciura/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/ciura/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/ciura/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/ciura/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fciura%2Findex.html">&#x2713;</a>
 </div>
 

2018/endoh1/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/endoh1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/endoh1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/endoh1/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fendoh1%2Findex.html">&#x2713;</a>
 </div>
 

2018/endoh2/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/endoh2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/endoh2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/endoh2/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fendoh2%2Findex.html">&#x2713;</a>
 </div>
 

2018/ferguson/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/ferguson/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/ferguson/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/ferguson/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fferguson%2Findex.html">&#x2713;</a>
 </div>
 

2018/giles/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/giles/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/giles/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/giles/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fgiles%2Findex.html">&#x2713;</a>
 </div>
 

2018/hou/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/hou/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/hou/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/hou/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fhou%2Findex.html">&#x2713;</a>
 </div>
 

2018/mills/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/mills/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/mills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/mills/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fmills%2Findex.html">&#x2713;</a>
 </div>
 

2018/poikola/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/poikola/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/poikola/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/poikola/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fpoikola%2Findex.html">&#x2713;</a>
 </div>
 

2018/vokes/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/vokes/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/vokes/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/vokes/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fvokes%2Findex.html">&#x2713;</a>
 </div>
 

2018/yang/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/yang/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/yang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2018/yang/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2018%2Fyang%2Findex.html">&#x2713;</a>
 </div>