fixed self.down in AddSearchPermission migration

git-svn-id: http://redmine.rubyforge.org/svn/trunk@338 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/025_add_search_permission.rb

@@ -4,6 +4,6 @@ class AddSearchPermission < ActiveRecord::Migration
   end
 
   def self.down
-    Permission.find_by_controller_and_action('projects', 'roadmap').destroy
+    Permission.find_by_controller_and_action('projects', 'search').destroy
   end
 end