Fix handling of invalid email addresses in headers (#1489092)

Aleksander Machniak

2013-05-10 bde85428d69069637782d9507475df78890f08d0

 program/steps/mail/folders.inc

@@ -65,6 +65,7 @@
            if (!empty($_REQUEST['_reload'])) {
                $OUTPUT->set_env('messagecount', 0);
                $OUTPUT->set_env('pagecount', 0);
                $OUTPUT->set_env('exists', 0);
                $OUTPUT->command('message_list.clear');
                $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text(), $mbox);
                $OUTPUT->command('set_unread_count', $mbox, 0);