Fixed #3979 Mailbox users unable to save autoresponders

Till Brehm

2016-07-24 b9a3ef486ebcde18a5ade37865ff8f397185d24f

 interface/lib/classes/aps_crawler.inc.php

@@ -460,6 +460,7 @@
               }
            }
            //var_dump($apps);
            //echo print_r($apps_to_dl).'<br>-------------------<br>';

            // For memory reasons, unset the current vendor and his apps
            unset($apps);