lib/wisper/mongoid/publisher.rb in fhwang-wisper-mongoid-0.2.1 vs lib/wisper/mongoid/publisher.rb in fhwang-wisper-mongoid-0.2.2

@@ -1,4 +1,6 @@
+require 'active_support/concern'
+
 module Wisper
   module Mongoid
     # Broadcasts Wisper events when Mongoid records are saved.
     module Publisher
       extend ActiveSupport::Concern