Use the correct revision number labels for files reported as deleted during a wc->repos diff.
Use the correct revision number labels for files reported as deleted
during a wc->repos diff.

* subversion/libsvn_client/diff.c
  (diff_repos_wc): If we're doing a wc->repos diff, the repository
    revision number will be the second revision in the diff, not the
    first.  Assign accordingly.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@858555 13f79535-47bb-0310-9956-ffa450edef68

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