change parentize define after upgrade mongoid to 2.0.0.rc.7

Gemfile

@@ -1,10 +1,10 @@
 source :gemcutter
 
-gem 'mongoid', '>=2.0.0.beta.14'
+gem 'mongoid', '>=2.0.0.rc.7'
 gem "mongoid_adjust", ">= 0.1.1"
 gem 'bson_ext', '>=1.0.1'
 
 group :test do
   gem 'rspec', '>= 2.0.0.beta.15'
   gem 'mocha'
-end
+end

lib/mongoid/embedded_helper.rb

@@ -6,8 +6,8 @@ def self.included(model)
 			model.class_eval do
 
         alias_method :old_parentize, :parentize
-        def parentize(object, association_name)
-          old_parentize object, association_name
+        def parentize(document)
+          old_parentize document
           send(:after_parentize) if respond_to?(:after_parentize)
           # run_callbacks(:after_parentize)    
         end