Correct a crash when updating (old) working copies that lack UUID info.
Correct a crash when updating (old) working copies that lack UUID info.

* subversion/libsvn_wc/update_editor.c
  (add_directory): If the existing dir or its parent has no UUID value
   in its entry, skip the UUID sanity check.

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