Use autoloader for Patchwork/PHP/Shim/Normalizer

lib/base.php

@@ -370,6 +370,7 @@ class OC {
 		self::$loader->registerPrefix('Symfony\\Component\\Routing', 'symfony/routing');
 		self::$loader->registerPrefix('Sabre\\VObject', '3rdparty');
 		self::$loader->registerPrefix('Sabre_', '3rdparty');
+		self::$loader->registerPrefix('Patchwork', '3rdparty');
 		spl_autoload_register(array(self::$loader, 'load'));
 
 		// set some stuff

lib/util.php

 <?php
 
-require_once 'Patchwork/PHP/Shim/Normalizer.php';
-
 /**
  * Class for utility functions
  *