Use explicit toplevel namespace for constant reference in AS::BasicOb…

…ject

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8586 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/prototype_helper.rb

@@ -1204,7 +1204,7 @@ def zip(variable, *arguments, &block)
         append_enumerable_function!("zip(#{arguments_for_call arguments}")
         if block
           function_chain[-1] += ", function(array) {"
-          yield ActiveSupport::JSON::Variable.new('array')
+          yield ::ActiveSupport::JSON::Variable.new('array')
           add_return_statement!
           @generator << '});'
         else