made plugin classes available in the plugin constructor

OwnCloudPlugin.class.php

@@ -6,6 +6,16 @@ require_once __DIR__."/classes/OwncloudFolder.php";
 
 class OwnCloudPlugin extends StudIPPlugin implements FilesystemPlugin {
 
+
+    public function __construct()
+    {
+        //Make the plugin classes available:
+        class_exists('Owncloud\OAuth');
+        class_exists('OwncloudFile');
+        class_exists('OwncloudFolder');
+        parent::__construct();
+    }
+
     public function getFileSelectNavigation()
     {
         $nav = new Navigation(Config::get()->OWNCLOUD_NAME);

classes/OwncloudFolder.php

@@ -562,5 +562,4 @@ class OwncloudFolder extends VirtualFolderType {
     {
         return [];
     }
-
 }