Menu Firstchild with Superfish Menus - how to make them work in Drupal 7

From the Drupal menu firstchild issue queue:

In superfish.module (Drupal 7) on line #1012:

change:

$output['content'] .= l($menu_item['link']['title'], $menu_item['link']['link_path'], $link_options);`

to:

<code>$output['content'] .= l($menu_item['link']['title'], $menu_item['link']['href'], $link_options);