More error cleanup.
More error cleanup.

* subversion/libsvn_wc/util.c
  (svn_wc__ensure_directory): Let's use the SVN_ERR() macro, shall we?
    Also, tighten the scope of an error variable.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@877397 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion