Grrrr. Directories are not files, at least most of the time.

* subversion/libsvn_repos/dump.c (add_directory):
   Don't lie to check_ucs_normalization.
* subversion/tests/cmdline/svnadmin_tests.py (verify_denormalized_names):
   Update expected output now that directories are not reported as files.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1544909 13f79535-47bb-0310-9956-ffa450edef68