Fix the failure to store auth data in new directories during update.
Fix the failure to store auth data in new directories during update.

* subversion/libsvn_wc/update_editor.c (prep_directory): Use the edit
  baton's access baton's pool for opening the new access baton.

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