Fix to close ticket.

[ivonpint]

Please modify class.ticket.php

lines 411- 416 Add the close timestamp to the ticket for it to display in the close ticket menu and list.

// Update ticket status
$ticketStatusUpdate = 'update '.TABLE_PREFIX.'ticket SET ';
$ticketStatusUpdate .= 'status_id = '.$parameters["parameters"]["status_id"].', ';
$ticketStatusUpdate .= 'closed = CURRENT_TIMESTAMP, ';
$ticketStatusUpdate .= 'updated = now() WHERE ';
$ticketStatusUpdate .= 'ticket_id = '.$parameters["parameters"]["ticket_id"].'';