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.

2019/adamovsky/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/adamovsky/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/adamovsky/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/adamovsky/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fadamovsky%2Findex.html">&#x2713;</a>
 </div>
 

2019/burton/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/burton/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/burton/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/burton/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fburton%2Findex.html">&#x2713;</a>
 </div>
 

2019/ciura/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/ciura/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/ciura/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/ciura/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fciura%2Findex.html">&#x2713;</a>
 </div>
 

2019/diels-grabsch1/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/diels-grabsch1/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/diels-grabsch1/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/diels-grabsch1/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fdiels-grabsch1%2Findex.html">&#x2713;</a>
 </div>
 

2019/diels-grabsch2/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/diels-grabsch2/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/diels-grabsch2/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/diels-grabsch2/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fdiels-grabsch2%2Findex.html">&#x2713;</a>
 </div>
 

2019/dogon/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/dogon/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/dogon/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/dogon/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fdogon%2Findex.html">&#x2713;</a>
 </div>
 

2019/duble/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/duble/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/duble/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/duble/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fduble%2Findex.html">&#x2713;</a>
 </div>
 

2019/endoh/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/endoh/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/endoh/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/endoh/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fendoh%2Findex.html">&#x2713;</a>
 </div>
 

2019/giles/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/giles/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/giles/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/giles/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fgiles%2Findex.html">&#x2713;</a>
 </div>
 

2019/karns/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/karns/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/karns/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/karns/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fkarns%2Findex.html">&#x2713;</a>
 </div>
 

2019/lynn/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/lynn/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/lynn/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/lynn/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Flynn%2Findex.html">&#x2713;</a>
 </div>
 

2019/mills/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/mills/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/mills/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/mills/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fmills%2Findex.html">&#x2713;</a>
 </div>
 

2019/poikola/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/poikola/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/poikola/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/poikola/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fpoikola%2Findex.html">&#x2713;</a>
 </div>
 

2019/yang/index.html

@@ -447,6 +447,7 @@
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/yang/prog.c">C code</a>
   <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/yang/Makefile">Makefile</a>
   <a class="Right" href="#inventory">Inventory</a>
+  <a class="Right" href="https://github.com/ioccc-src/winner/blob/master/2019/yang/prog.orig.c">Original C</a>
   <a class="Right" href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fwww.ioccc.org%2F2019%2Fyang%2Findex.html">&#x2713;</a>
 </div>