please update config.guess and libtool

[Robert Millan]

Hi!

Could someone please update config.{guess,sub} and libtool in GCC sources?
Recent versions contain fixes needed to support GNU/K*BSD.

Thanks,

-- 
Robert Millan

"[..] but the delight and pride of Aule is in the deed of making, and in the
thing made, and neither in possession nor in his own mastery; wherefore he
gives and hoards not, and is free from care, passing ever on to some new work."

 -- J.R.R.T, Ainulindale (Silmarillion)