Keep the singular style, like before_filter, etc

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@758 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/base.rb

@@ -295,7 +295,7 @@ def hidden_actions
       end
 
       # Hide each of the given methods from being callable as actions.
-      def hide_actions(*names)
+      def hide_action(*names)
         write_inheritable_attribute(:hidden_actions, hidden_actions | names.collect {|n| n.to_s})
       end