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

2004/gavare/index.html

@@ -167,13 +167,13 @@ if you have ImageMagick installed, you can convert it to a jpeg:</p>
 <pre><code>    ./gavare | xv -</code></pre>
 <p>to not worry about writing it to a file and just viewing the image it creates.</p>
 <h2 id="alternate-code">Alternate code:</h2>
-<p>The alt code <a href="gavare.alt.c">gavare.alt.c</a> allows you to change the size of the
+<p>The alt code <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavare/gavare.alt.c">gavare.alt.c</a> allows you to change the size of the
 image as well as the anti-alias setting, when compiling.</p>
 <p>The author also provided <a href="https://gavare.se/ioccc/ioccc_gavare.c.html">on their web page for the
 entry</a> an unobfuscated version that
 was used during development, which we have included in the file
-<a href="gavare.r3.c">gavare.r3.c</a>.</p>
-<p>Finally, the file <a href="gavare.alt2.c">gavare.alt2.c</a> sets binary mode
+<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavare/gavare.r3.c">gavare.r3.c</a>.</p>
+<p>Finally, the file <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2004/gavare/gavare.alt2.c">gavare.alt2.c</a> sets binary mode
 on <code>stdout</code> which theoretically should work in Windows.</p>
 <h3 id="alternate-build">Alternate build:</h3>
 <p>To build the configurable and unobfuscated versions:</p>