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

1994/weisberg/index.html

@@ -162,7 +162,7 @@ code</a> below for more details.</p>
 <pre><code>    ./try.sh</code></pre>
 <p>If you have <code>primes(1)</code> installed you might also wish to try:</p>
 <pre><code>    ./primes.sh number</code></pre>
-<p>where <code>number</code> is a positive number, defaulting to 15. The <a href="try.sh">try.sh</a>
+<p>where <code>number</code> is a positive number, defaulting to 15. The <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1994/weisberg/try.sh">try.sh</a>
 script will also do this.</p>
 <h2 id="alternate-code">Alternate code:</h2>
 <p>If you liked what you saw from the above program, and happen to