Get acl_users from portal object directly to fix acquisition problem.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@21515 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Document.py

@@ -271,7 +271,7 @@ class PermanentURLMixIn(ExtensibleTraversableMixIn):
     if user is _MARKER:
       user = None # By default, do nothing
       if old_user is None or old_user.getUserName() == 'Anonymous User':
-        user_folder = getToolByName(self, 'acl_users', None)
+        user_folder = getattr(self.getPortalObject(), 'acl_users', None)
         if user_folder is not None:
           try:
             if request.get('PUBLISHED', _MARKER) is _MARKER: