(test_funcs):  re-enable dir_deltas test, so we can debug memory issues with it.
(test_funcs):  re-enable dir_deltas test, so we can debug memory
issues with it.

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