fix quoted-printable display of mail queue mail subjects

--- ./include/class.mail_queue.php~	2005-04-22 18:14:03.774947195 +0300
+++ ./include/class.mail_queue.php	2005-04-22 18:14:05.421676713 +0300
@@ -366,6 +366,7 @@
             for ($i = 0; $i < count($res); $i++) {
                 $res[$i]['maq_recipient'] = Mime_Helper::decodeAddress($res[$i]['maq_recipient']);
                 $res[$i]['maq_queued_date'] = Date_API::getFormattedDate(Date_API::getUnixTimestamp($res[$i]['maq_queued_date'], 'GMT'));
+                $res[$i]['maq_subject'] = Mime_Helper::fixEncoding($res[$i]['maq_subject']);
             }
         }
         return $res;