In the libsvn_client diff logic, move a few more output calculations up the call chain from deep inside the diff calculations.
In the libsvn_client diff logic, move a few more output calculations up
the call chain from deep inside the diff calculations.

Eventually this code belongs in the diff writer, but small steps ahead..

* subversion/libsvn_client/diff.c
  (diff_prepare_repos_repos): Remove output argument.
  (diff_repos_repos): Don't calculate unused path. Calculate anchor in the
    same way the output code should do it later.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1570257 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion