Constify another variable.
Constify another variable.

* subversion/libsvn_repos/commit.c
  (close_edit):
    Declare post_commit_err as a const char *.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1051761 13f79535-47bb-0310-9956-ffa450edef68

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