Factor out a helper function.
Factor out a helper function.

* subversion/libsvn_wc/props.c
  (write_tmp_file): New, extracted from maybe_generate_propconflict().
  (maybe_generate_propconflict): Use write_tmp_file instead of in-line code.
    Eliminate a related function-wide variable and reduce scope of another.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@872137 13f79535-47bb-0310-9956-ffa450edef68

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