improve layout of 1988/litmaath/index.html

Improved indenting of a code block.

Run `bin/readme2index.sh -v 1 1988/litmaath` to perform the above.

1988/litmaath/README.md

@@ -52,7 +52,7 @@ Note the unusual structure:
 
 ``` <!---c-->
     while (<condition>)
-	     ;
+	 ;
 ```
 
 Did you notice that the body is empty?

1988/litmaath/index.html

@@ -172,7 +172,7 @@ a file.</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>Note the unusual structure:</p>
 <pre><code>    while (&lt;condition&gt;)
-             ;</code></pre>
+         ;</code></pre>
 <p>Did you notice that the body is empty?</p>
 <p>Furthermore, it’s interesting to note that only two variables are
 used to achieve everything.</p>