Follow-up to r32484, fix spurious failure of merge_authz_tests.py 1.
Follow-up to r32484, fix spurious failure of merge_authz_tests.py 1.

* subversion/tests/cmdline/merge_authz_tests.py
  (mergeinfo_and_skipped_paths): This test failed due to recent changes in
  the format of svn proplist output.  Fix this failure by using svn
  propget instead.

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