Make PageList Blog RSS usable for custom templates

Isn't the canViewBlock check enough? getPages will only return pages we are allowed to access, we can't get information out of this by changing the bID to something else..

See:
http://www.concrete5.org/developers/bugs/5-6-2-1/rss-link-broken-when-using-a-custom-template-for-page-list-block/#597918