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

1996/schweikh3/index.html

@@ -163,7 +163,7 @@ You have been warned.</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>The source fails to compile on compilers that recognize the inline
 keyword by default. For gcc, you may need to use <code>-ansi</code>.</p>
-<p>See the file <a href="schweikh3.info">schweikh3.info</a> for example output from various
+<p>See the file <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1996/schweikh3/schweikh3.info">schweikh3.info</a> for example output from various
 systems.</p>
 <p>But still it is a useful utility. To use try:</p>
 <pre><code>    ./schweikh3</code></pre>