added language vars for hardcoded <legend> headlines

cfoe

2012-07-05 4a47667d9b6d56507c649bb6f98a9161ebce8df5

 interface/web/help/lib/lang/it_support_message.lng

@@ -4,4 +4,5 @@
$wb['subject_txt'] = 'Oggetto';
$wb['message_txt'] = 'Messaggio';
$wb['tstamp_txt'] = 'Timestamp';
$wb['reply_txt'] = 'Reply';
?>