On remove-log-addressing branch: Fix svnadmin_tests.py properly to work 
for FSX repositories also.

* subversion/tests/cmdline/svntest/main.py
  (is_fs_log_addressing): Return true only for FSX repositories.

* subversion/tests/cmdline/svnadmin_tests.py
  (verify_windows_paths_in_repos, verify_keep_going, 
   verify_denormalized_names, verify_packed, verify_metadata_only, 
   verify_quickly): Add handling of different expected output depending if 
   log addressing supported by file system.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/remove-log-addressing@1604132 13f79535-47bb-0310-9956-ffa450edef68