Make use of a new function for checking whether all targets are the same type.  A follow-up to r1044028.
Make use of a new function for checking whether all targets are the same
type.  A follow-up to r1044028.

* subversion/svn/diff-cmd.c
  (svn_cl__diff): Make use of new function
    svn_cl__assert_homogeneous_target_type(). Tweak existing logic which
    checks to see whether working copy path is present in targets.

Patch by: Noorul Islam K M <noorul{_AT_}collab.net>
(tweaked by me)


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1044448 13f79535-47bb-0310-9956-ffa450edef68

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