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

1996/schweikh2/index.html

@@ -170,11 +170,11 @@ Location: <a href="../../location.html#DE">DE</a> - <em>Federal Republic of Germ
 <p>The author also suggests:</p>
 <pre><code>    while :; do grep -v &#39;#&#39; schweikh2.c; done</code></pre>
 <p>(and we do too) which works with <code>sh</code>, <code>bash</code>, <code>ksh</code> and <code>zsh</code> as well. Press
-ctrl-c to stop it. Observe how the <a href="try.sh">try.sh</a> script does this once to
+ctrl-c to stop it. Observe how the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh2/try.sh">try.sh</a> script does this once to
 make it easier to see what is happening.</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>The original program, with only slight obfuscations, may be found
-in <a href="hunni.c">hunni.c</a>. The perl script, <a href="hunni.pl">hunni.pl</a>, obfuscates it
+in <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh2/hunni.c">hunni.c</a>. The perl script, <a href="hunni.pl">hunni.pl</a>, obfuscates it
 appropriately. Try:</p>
 <pre><code>    less hunni.c