Rails3: helper: use html_safe at render_page_hierarchy of ApplicationHelper

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7584 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -200,7 +200,7 @@ module ApplicationHelper
       end
       content << "</ul>\n"
     end
-    content
+    content.html_safe
   end
 
   # Renders flash messages