Follow-up to r1333936, (hopefully) fixing the "commit disjoint working copies" case that some of the buildbots are puking on right now.
Follow-up to r1333936, (hopefully) fixing the "commit disjoint working
copies" case that some of the buildbots are puking on right now.

* subversion/libsvn_client/ra.c
  (svn_client__open_ra_session_internal): base_dir_abspath might not
    point to a working copy directory.  If that's the case, don't try
    to calculate a working copy root path.

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