lib/mongo_mapper/plugins/accessible.rb in mongo_mapper-0.8.6 vs lib/mongo_mapper/plugins/accessible.rb in mongo_mapper-0.9.0

@@ -1,7 +1,9 @@
 module MongoMapper
   module Plugins
     module Accessible
+      extend ActiveSupport::Concern
+
       module ClassMethods
         def attr_accessible(*attrs)
           raise AccessibleOrProtected.new(name) if try(:protected_attributes?)
           self.write_inheritable_attribute(:attr_accessible, Set.new(attrs) + (accessible_attributes || []))
         end
\ No newline at end of file