Missing Method in ContactController

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

Error: Create ContactController::favicon.ico() in file: app/controllers/contact_controller.php.

<?php
class ContactController extends AppController {

	var $name = 'Contact';


	function favicon.ico() {

	}

}
?>

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