Missing Controller

Error: Rss.xmlController could not be found.

Error: Create the class Rss.xmlController below in file: app/controllers/rss.xml_controller.php

<?php
class Rss.xmlController extends AppController {

	var $name = 'Rss.xml';
}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_controller.ctp