Make 'svn patch' skip unversioned files, like other svn commands do.
Make 'svn patch' skip unversioned files, like other svn commands do.

* subversion/libsvn_client/patch.c
  (resolve_target_path): Add WC_CTX parameter. Check whether the target
   file is versioned and skip it if it isn't. Based on code move here from...
  (init_patch_target): ...here for cosmetic reasons.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@895510 13f79535-47bb-0310-9956-ffa450edef68

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