Eager load group projects to avoid N SQL queries.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3735 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/groups_controller.rb

@@ -57,7 +57,7 @@ class GroupsController < ApplicationController
 
   # GET /groups/1/edit
   def edit
-    @group = Group.find(params[:id])
+    @group = Group.find(params[:id], :include => :projects)
   end
 
   # POST /groups