open-mpi: Update to 1.6.2

Now clang builds successfully but still fails the test. Changed the
comments accordingly.

Closes Homebrew#15388.

Signed-off-by: Charlie Sharpsteen <source@sharpsteen.net>

Library/Formula/open-mpi.rb

@@ -2,15 +2,15 @@
 
 class OpenMpi < Formula
   homepage 'http://www.open-mpi.org/'
-  url 'http://www.open-mpi.org/software/ompi/v1.6/downloads/openmpi-1.6.tar.bz2'
-  sha1 '8b81eea712bb8f8120468003b5f29baecedf2367'
+  url 'http://www.open-mpi.org/software/ompi/v1.6/downloads/openmpi-1.6.2.tar.bz2'
+  sha1 '694fd3bac911cdb22f77175884d819b6fea871df'
 
   # Reported upstream at version 1.6, both issues
   # http://www.open-mpi.org/community/lists/devel/2012/05/11003.php
   # http://www.open-mpi.org/community/lists/devel/2012/08/11362.php
   fails_with :clang do
     build 421
-    cause 'fails make check on Lion and does not compile on ML'
+    cause 'fails make check on Lion and ML'
   end
 
   def options