Seems to be no longer valid: http://www.geekreview.org/slocate/
Tell us if you find a working one, neither http://www.geekreview.org/slocate/ nor http://slocate.trakker.ca/ which is listed in 3.1-r1 works.
http://slocate.trakker.ca/ works for me
Then it's already fixed in 3.1-r1.