use namespaces in modules

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

customer_traffic.php

@@ -21,6 +21,9 @@ define('AREA', 'customer');
 $intrafficpage = 1;
 require './lib/init.php';
 
+use Froxlor\Database as Database;
+use Froxlor\Settings as Settings;
+
 // redirect if this customer page is hidden via settings
 if (Settings::IsInList('panel.customer_hide_options','traffic')) {
 	redirectTo('customer_index.php');