make libiberty/configure.in treat mingw the same way as cygwin wrt HAVE_SYS_ERRLIST

[Adam Megacz]

Alexandre Oliva <aoliva@redhat.com> writes:
> On Jan 31, 2002, Adam Megacz <patches@lists.megacz.com> wrote:
> > +   *-*-mingw*)
> >     *-*-cygwin*)
> Err...  This doesn't work.
> Perhaps you meant `*-*-mingw* | *-*-cygwin* )' ?

Crap, I thought I tried running it but I had neglected to re-run
autoconf. Yes, could you please commit it that way?

Thanks.

  - a