Index: redmine/wiki_formatting.rb
===================================================================
--- redmine/wiki_formatting.rb  (revision 3023)
+++ redmine/wiki_formatting.rb  (working copy)
@@ -53,6 +53,7 @@
       class Formatter
         include ActionView::Helpers::TagHelper
         include ActionView::Helpers::TextHelper
+   include ActionView::Helpers::UrlHelper
         
         def initialize(text)
           @text = text