Wrong URL to "unsubscribe" when broadcasting

When any user send a broadcast message to all group's members, OG notifications sends a notifications like:

"To unsubscribe from this group, visit !url_unsubscribe"

!url_unsubscribe is linking to http://sitename.com/drupal/og/unsubscribe/1 to all users. Isn't replacing the "1" by the user id.

File: og.pages.inc

function og_broadcast_form_submit($form, &$form_state) {

  // HERE
  global $user; # $user variable is the info of current user who send the message
  // END

  $sql = og_list_users_sql(1);
  $result = db_query($sql, $form_state['values']['gid']);
  $recipients = array();
  while ($row = db_fetch_object($result)) {
    $recipients[] = $row->uid;
  }

  $node = node_load($form_state['values']['gid']);
  $variables = array(
    '@group' => $node->title,
    '@subject' => $form_state['values']['subject'],
    '@body' => $form_state['values']['body'],
    '@site' => variable_get('site_name', 'drupal'),
    '!url_group' => url("node/$node->nid", array('absolute' => TRUE)),

   // HERE: Link to unsubscribe
    '!url_unsubscribe' => url("og/unsubscribe/$node->nid/$user->uid", array('absolute' => TRUE))
   // End
  );

File: modules/og_notifications/og_notifications.module

/**
 * Implementation of hook_og().
 */
function og_notifications_og($op, $gid, $uid, $args) {

  // ...

    case 'user broadcast':
      $destinations = is_array($uid) ? $uid : array($uid);
      foreach ($destinations as $uid) {
        notifications_lite_send($uid, $args['subject'], $args['body']);
      }
      break;
  }

I've temporarily solved this problem with this patch:

--- og.pages.inc	2009-08-08 13:37:37.000000000 -0400
+++ og.pages.inc-updated	2009-08-28 17:07:35.516468011 -0400
@@ -58,7 +58,7 @@
     '@body' => $form_state['values']['body'],
     '@site' => variable_get('site_name', 'drupal'),
     '!url_group' => url("node/$node->nid", array('absolute' => TRUE)),
-    '!url_unsubscribe' => url("og/unsubscribe/$node->nid/$user->uid", array('absolute' => TRUE))
+    '!url_unsubscribe' => url("og/unsubscribe/$node->nid/@@UID@@", array('absolute' => TRUE))
   );
 
   $message = array(

--- modules/og_notifitacions/og_notifications.module	2009-08-16 15:51:24.000000000 -0400
+++ modules/og_notifitacions/og_notifications.module-updated	2009-08-28 17:08:54.893989450 -0400
@@ -167,7 +167,7 @@
     case 'user broadcast':
       $destinations = is_array($uid) ? $uid : array($uid);
       foreach ($destinations as $uid) {
-        notifications_lite_send($uid, $args['subject'], $args['body']);
+        notifications_lite_send($uid, $args['subject'], str_replace("%40%40UID%40%40", $uid, $args['body']));
       }
       break;
   }
@@ -794,4 +794,4 @@
     0 => t('Disabled'),
     1 => t('Enabled'),
   );
-}
\ No newline at end of file
+}

cheers