fix internal links in entry index.html from 1984 thru 2012

1992/imc/README.md

@@ -34,7 +34,7 @@ Of course, the source (layout) is self-documenting!  :-)
 
 NOTE: The original winning source assumed that `exit(3)` returned a value which
 cause problems for some systems where `exit(3)` returns a void.  The file
-[imc.c](imc.c) has been modified to avoid this problem. The original file also
+[imc.c](%%REPO_URL%%/1992/imc/imc.c) has been modified to avoid this problem. The original file also
 declared argc to be a `long` which was fixed.
 
 

1992/imc/index.html

@@ -169,7 +169,7 @@ output.</p>
 <p>Of course, the source (layout) is self-documenting! :-)</p>
 <p>NOTE: The original winning source assumed that <code>exit(3)</code> returned a value which
 cause problems for some systems where <code>exit(3)</code> returns a void. The file
-<a href="imc.c">imc.c</a> has been modified to avoid this problem. The original file also
+<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1992/imc/imc.c">imc.c</a> has been modified to avoid this problem. The original file also
 declared argc to be a <code>long</code> which was fixed.</p>
 <h2 id="authors-remarks">Author’s remarks:</h2>
 <h3 id="portability">Portability</h3>