Add a test that shows a SEGV during move-update property handling.

* subversion/tests/cmdline/move_tests.py
  (prop_test1): New test.
  (test_funcs): Add new test.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1451677 13f79535-47bb-0310-9956-ffa450edef68