Fix user import if a brand new user logs in via CAS.

application/modules/auth/controllers/IndexController.php

@@ -70,7 +70,7 @@ class Auth_IndexController extends App_Controller_Action {
 		
 		$user = Auth_UserModel::findCurrentUser();
 		if (!$user) {
-			$user = Auth_UserModel::fetchNewFromLdap($username);
+			$user = Auth_UserModel::fetchNewFromLdap($auth->getIdentity());
 		}
 		
 		$this->_redirect('/');