Fixed that the overwritten respond_to? method didn't take two parameters like the original #391

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@327 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/associations/association_collection.rb

@@ -22,8 +22,8 @@ module ActiveRecord
         @collection.to_ary
       end
   
-      def respond_to?(symbol)
-        proxy_respond_to?(symbol) || [].respond_to?(symbol)
+      def respond_to?(symbol, include_priv = false)
+        proxy_respond_to?(symbol, include_priv) || [].respond_to?(symbol, include_priv)
       end
 
       def loaded?