html_safe for Rails3

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8271 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -504,7 +504,7 @@ module ApplicationHelper
       replace_toc(text, @parsed_headings)
     end
 
-    text
+    text.html_safe
   end
 
   def parse_non_pre_blocks(text)