Follow up to r17718 -- fix paths for ra_svn Windows tests.
Follow up to r17718 -- fix paths for ra_svn Windows tests.

* win-tests.py
  Use subversion/tests/cmdline directory for ra_svn tests.

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