* contrib/client-side/svnmerge.py   (analyze_revs): Don't retrieve props twice for unchanged properties.
* contrib/client-side/svnmerge.py
  (analyze_revs): Don't retrieve props twice for unchanged properties.

Review by: blair

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