Missing Method in PhotosController

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

Error: Create PhotosController::favicon.ico() in file: app/controllers/photos_controller.php.

<?php
class PhotosController extends AppController {

	var $name = 'Photos';


	function favicon.ico() {

	}

}
?>

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