www: Fix typo

Reported by: Chad Rosier <mcrosier@apple.com>

llvm-svn: 135428

polly/www/index.html

@@ -36,7 +36,7 @@
   <!--=====================================================================-->
 
   <ul>
-  <li>Jule 2011 - Add Polly builder to the <a
+  <li>July 2011 - Add Polly builder to the <a
   href="http://google1.osuosl.org:8011/console">LLVM Buildbots</a>
   </li>
   <li>June 2011 - <a href="http://www.grosser.es">Tobias</a> is founded for