add response to list of deprecated instance variables

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5221 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/base.rb

@@ -1030,7 +1030,7 @@ def assign_shortcuts(request, response)
 
 
       # TODO: assigns cookies headers params request response template
-      DEPRECATED_INSTANCE_VARIABLES = %w(cookies flash headers params request session)
+      DEPRECATED_INSTANCE_VARIABLES = %w(cookies flash headers params request response session)
 
       # Gone after 1.2.
       def assign_deprecated_shortcuts(request, response)