Add test for issue #4329 'automatic merge uses reintegrate type merge if
source is fully synced'.

* subversion/tests/cmdline/merge_automatic_tests.py

  (effective_sync_results_in_reintegrate): New test.

  (test_list): Add effective_sync_results_in_reintegrate.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1451263 13f79535-47bb-0310-9956-ffa450edef68