small fix again

app/controllers/admin/asks_controller.rb

@@ -422,7 +422,7 @@ class Admin::AsksController < OrbitAdminController
     end
 
     email_er.email.update_attributes(
-      :mail_lang=> site['default_locale'],
+      :mail_lang=> site.default_locale,
       :create_user=>current_user,
       :mail_sentdate=>@mail_sentdate,
       :module_app=>@module_app,