Use spec instead of meta_type so that it can work with OFS Folders

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29570 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/ERP5Type.py

@@ -149,7 +149,7 @@ class LocalRoleAssignorMixIn(object):
       # Return also explicit local roles defined as subobjects of the document
       if getattr(aq_base(ob), 'isPrincipiaFolderish', 0) and \
          self.allowType('Role Definition'):
-        for role in ob.objectValues(meta_type='ERP5 Role Definition'):
+        for role in ob.objectValues(spec='ERP5 Role Definition'):
           if role.getRoleName():
             yield role