Messaging module installation fails

Parse error: syntax error, unexpected ')' in /customers/grn.dk/grn.dk/httpd.www/drupal-6.2/modules/messaging/messaging_system/messaging_system.module on line 17

messaging_system.module contents

<?php
// $Id: messaging_system.module,v 1.1.2.1 2008/04/13 18:03:14 jareyero Exp $
/**
 * @file
 * Messaging framework, system plug-in
 * 
 * Redirects Drupal (e-mail) messages through messaging system
 */

/**
 * Implementation of hook_form_alter()
 * 
 * Get some forms sent through this module
 */
function messaging_system_form_alter(&$form, $form_state, $form_id) {
  // User contact form
  if ($form_id == )
}

Drupal 6.2 : messaging-6.x-1.x-dev.tar.gz

Google was not my friend :-(

Any hints?

Thanks ;-)