One more deprecated function fix-up.
One more deprecated function fix-up.

* subversion/tests/cmdline/atomic-ra-revprop-change.c
  (change_rev_prop): Use svn_ra_open4().

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