Fix capitalization of URL.

llvm-svn: 15595

Author: John Criswell

llvm/docs/ReleaseNotes.html

@@ -207,7 +207,7 @@
 Needed</a></li>
 <li><a href="http://llvm.cs.uiuc.edu/PR404">[loopsimplify] Loop simplify is
 really slow on 252.eon</a></li>
-<li><a href="Http://llvm.cs.uiuc.edu/PR122">[code-cleanup] SymbolTable class
+<li><a href="http://llvm.cs.uiuc.edu/PR122">[code-cleanup] SymbolTable class
 cleanup, Type should not derive from Value, eliminate ConstantPointerRef
 class</a>.</li>
 <li>The memory footprint of the LLVM IR has been reduced substantially.</li>