Use controller_name and action_name instead of params.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9018 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -476,8 +476,8 @@ module ApplicationHelper
       css << 'theme-' + theme.name
     end
 
-    css << 'controller-' + params[:controller]
-    css << 'action-' + params[:action]
+    css << 'controller-' + controller_name
+    css << 'action-' + action_name
     css.join(' ')
   end