New gdb 31 & 64 bit patches for S/390

[Nick Clifton]

Hi Denis,

> The name is Denis,

oops - sorry!

> Yup the patches are I've sent in are all contributed/written by me
> on behalf of IBM, IBM has already sent in the copyright assignment
> for the binutils the patch to the binutils is only one line in a
> configure file likewise for readline.

Good point.  The binutils part of the patch is approved and I will
apply it shortly.

Cheers
        Nick