Followup to r1563066: Really fix the tests on Windows, I hope.

* subversion/tests/cmdline/diff_tests.py
  (diff_repo_wc_file_props): run_and_verify_svn normalizes the line endings
    hiding the fact that we changed to CRLF on Windows (but not Unix).  Apply,
    a nasty hack to work around this for now.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1563068 13f79535-47bb-0310-9956-ffa450edef68