fix errors caught by running make www

thanks-for-help.html

@@ -2173,7 +2173,7 @@ added.</p>
 </div>
 <p><a href="#cody">Cody</a> added the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/leo/try.sh">try.sh</a> script.</p>
 <p>At our change in how to deal with spoilers, Cody also uudecoded the spoiler provided
-by the author, putting it in <a href="1995/leo/spoiler1.html">spoiler1.html</a>.</p>
+by the author, putting it in <a href="1995/leo/spoiler.html">spoiler.html</a>.</p>
 <div id="1995_makarios">
 <h2 id="winning-entry-1995makarios">Winning entry: <a href="1995/makarios/index.html">1995/makarios</a></h2>
 <h3 id="winning-entry-source-code-makarios.c">Winning entry source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1995/makarios/makarios.c">makarios.c</a></h3>

thanks-for-help.md

@@ -2528,7 +2528,7 @@ added.
 [Cody](#cody) added the [try.sh](%%REPO_URL%%/1995/leo/try.sh) script.
 
 At our change in how to deal with spoilers, Cody also uudecoded the spoiler provided
-by the author, putting it in [spoiler1.html](1995/leo/spoiler1.html).
+by the author, putting it in [spoiler.html](1995/leo/spoiler.html).
 
 
 <div id="1995_makarios">