Fix the Ajax corner case described in #353 : "change of todo's context on home page should work like marking complete"

git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@316 a4c988fc-2ded-0310-b66e-134b36920a42

tracks/app/controllers/todo_controller.rb

@@ -133,6 +133,7 @@ class TodoController < ApplicationController
       params["item"]["due"] = ""
     end
     @saved = @item.update_attributes params["item"]
+    @remaining_undone_in_original_context = Todo.count(:conditions => ['user_id = ? and context_id = ? and type = ? and done = ?', @user.id, @original_item_context_id, "Immediate", false])
   end
   
   def update_context