Follows r2647.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2648 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -80,7 +80,7 @@ class IssuesController < ApplicationController
   def changes
     retrieve_query
     sort_init 'id', 'desc'
-    sort_update({'id' => "#{Issue.table_name}.id"}.merge(@query.columns.inject({}) {|h, c| h[c.name.to_s] = c.sortable; h}))
+    sort_update({'id' => "#{Issue.table_name}.id"}.merge(@query.available_columns.inject({}) {|h, c| h[c.name.to_s] = c.sortable; h}))
     
     if @query.valid?
       @journals = Journal.find :all, :include => [ :details, :user, {:issue => [:project, :author, :tracker, :status]} ],