Zoiper - Include pdo.php (#192)

zoiper/zoiper.php

@@ -26,6 +26,7 @@
 
 //includes files
 	require_once dirname(__DIR__, 2) . "/resources/require.php";
+	require_once "resources/pdo.php";
 	require_once "resources/check_auth.php";
 	require_once "resources/paging.php";