Final(?) patch to update libtool in GCC and src trees

[Paolo Bonzini]

>> I see; so it's ruled out for now.
> 
>   I used 2.60 to regenerate in newlib/, was that the wrong thing to do?

No, it shouldn't be a problem; but committing would require 2.59.

>   That would be the freshly regenerated one:
> 
> /usr/build/src-winsup/newlib $ head -1 aclocal.m4
> # generated automatically by aclocal 1.9.6 -*- Autoconf -*-

Can you please attach it?

Paolo