A follow-up to r26336, removing a now-unused variale.
A follow-up to r26336, removing a now-unused variale.

* subversion/svn/merge-cmd.c
  (svn_cl__merge): Remove local variable "working_revision", which has
   been rolled into svn_client_suggest_merge_sources().


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@866417 13f79535-47bb-0310-9956-ffa450edef68

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