Define weblog controller for url helper test

actionpack/test/lib/controller/fake_controllers.rb

@@ -17,6 +17,7 @@ class CController < ActionController::Base; end
 class HiController < ActionController::Base; end
 class BraveController < ActionController::Base; end
 class ImageController < ActionController::Base; end
+class WeblogController < ActionController::Base; end
 
 # For speed test
 class SpeedController < ActionController::Base;  end

actionpack/test/template/url_helper_test.rb

 # encoding: utf-8
 require 'abstract_unit'
+require 'controller/fake_controllers'
 
 RequestMock = Struct.new("Request", :request_uri, :protocol, :host_with_port, :env)