Fixing style errors.

htdocs/core/class/vcard.class.php

@@ -2,7 +2,7 @@
 /* Copyright (C)           Kai Blankenhorn      <kaib@bitfolge.de>
  * Copyright (C) 2005-2017 Laurent Destailleur  <eldy@users.sourceforge.org>
  * Copyright (C) 2020		Tobias Sekan		<tobias.sekan@startmail.com>
- * 
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 3 of the License, or
@@ -333,7 +333,7 @@ class vCard
     {
         return $this->filename;
     }
-	
+
 	/* Example from Microsoft Outlook 2019
 
     BEGIN:VCARD