Additional escaping.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6327 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/sort_helper.rb

@@ -205,7 +205,7 @@ module SortHelper
      # Add project_id to url_options
     url_options = url_options.merge(:project_id => params[:project_id]) if params.has_key?(:project_id)
 
-    link_to_content_update(caption, url_options, :class => css)
+    link_to_content_update(h(caption), url_options, :class => css)
   end
 
   # Returns a table header <th> tag with a sort link for the named column