Add missing header to some files

system/functions.php

@@ -7,12 +7,11 @@
  * @copyright 2019 MyAAC
  * @link      https://my-aac.org
  */
+defined('MYAAC') or die('Direct access not allowed!');
 
 use PHPMailer\PHPMailer\PHPMailer;
 use Twig\Loader\ArrayLoader as Twig_ArrayLoader;
 
-defined('MYAAC') or die('Direct access not allowed!');
-
 function message($message, $type, $return)
 {
 	if(IS_CLI) {