Apply Rafael Garcia-Suarez's patch from issue #1205.
Apply Rafael Garcia-Suarez's patch from issue #1205.

* subversion/libsvn_subr/config_file.c
  (svn_config_ensure): Improve documentation of diff-cmd and
    diff3-cmd.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion