contact.rb in poly_belongs_to-0.2.9

- old
+ new

@@ -1,5 +1,6 @@
 class Contact < ActiveRecord::Base
   belongs_to :user
+  belongs_to :contactable, polymorphic: true
   has_one    :profile, as: :profileable, dependent: :destroy
   accepts_nested_attributes_for :profile
 end