Index: referral.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/referral/referral.module,v
retrieving revision 1.16.2.4
diff -u -p -r1.16.2.4 referral.module
--- referral.module	25 Nov 2008 00:55:57 -0000	1.16.2.4
+++ referral.module	25 Nov 2008 20:21:21 -0000
@@ -202,6 +202,7 @@ function _referral_user_save($uid) {
     $cookie['referer']);
 
   if (db_affected_rows()) {
+    module_invoke_all('referral', $uid, $cookie['uid']);
     if (module_exists('userpoints')) {
       $points = variable_get(REFERRAL_USERPOINTS, 1);
       // Build the userpoints params array