Remove a duplicate (redundant) tree conflict detection call.
Remove a duplicate (redundant) tree conflict detection call.

* subversion/libsvn_wc/update_editor.c
  (add_file_with_history): Remove tree conflict detection from here, as it
    is done in this case by add_file().


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@873623 13f79535-47bb-0310-9956-ffa450edef68

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