Missing Method in CdsController

Error: The action favicon.ico is not defined in controller CdsController

Error: Create CdsController::favicon.ico() in file: app/controllers/cds_controller.php.

<?php
class CdsController extends AppController {

	var $name = 'Cds';


	function favicon.ico() {

	}

}
?>

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