fckeditor_user_delegate error after upgrading to php 5.3

After upgrading to php 5.3 I started getting this error when editing a user:

warning: Parameter 3 to fckeditor_user_delegate() expected to be a reference, value given in [site_path]/drupal-6.14/includes/module.inc on line 450.

I corrected it by removing the "&" from this line:

function fckeditor_user_delegate($type, $edit, &$user, $category = NULL) {