Umlaute in Navigation Component gefixed

application/config/navigation.php

@@ -93,7 +93,7 @@ $config['navigation_header'] = array(
 				),
 				'zverfueg' => array(
 					'link' => site_url('lehre/lvplanung/AdminZeitverfuegbarkeit'),
-					'description' => 'Zeitverfügbarkeit',
+					'description' => 'Zeitverfügbarkeit',
 					'expand' => true,
 					'sort' => 45,
 					'requiredPermissions' => array(
@@ -325,4 +325,4 @@ $config['navigation_menu']['system/issues/Issues/*'] = array(
 		'target' => '_blank',
 		'requiredPermissions' => array('admin:rw')
 	),
-);
+);