Merge r1345740 from trunk:

 * r1345740
   Remove a cast that is both ugly, and apparently illegal in g++ 4.7.
   Justification:
     Fails to build.
   Votes:
     +1: philip, brane, rhuijben


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.6.x@1428163 13f79535-47bb-0310-9956-ffa450edef68