Change all occurrences of 'diff_cmd_baton' to 'dwi'.
Change all occurrences of 'diff_cmd_baton' to 'dwi'.

* subversion/libsvn_client/diff.c
  (just_paths_for_diff_labels),
  (diff_props_changed),
  (svn_client_diff6),
  (svn_client_diff_peg6): changed local variable diff_cmd_baton to
    dwi throughout.

Approved by: rhuijben


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1602122 13f79535-47bb-0310-9956-ffa450edef68

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