Fixed Issue #3830 mdbox format not working in mailboxes.

Till Brehm

2016-04-20 ef6e5d764118bcc2918be9cfd7b76c31b24a1eb4

 interface/web/mail/mail_user_edit.php

@@ -209,7 +209,7 @@

      // Set Maildir format
      if ($this->id == 0) {
         $this->dataRecord['maildir_format'] = $sys_config['maildir_format'];
         $this->dataRecord['maildir_format'] = $mail_config['maildir_format'];
      }
      else {
         // restore Maildir format