[PATCH] Prevent illegal accesses for bfd null pointers

[Nick Clifton]

Hi Thiemo,

> This patch prevents illegal accesses for bfd null pointers (and
> fails explicitly for writes in this case).

> 2003-05-14  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
>
> 	/bfd/ChangeLog
> 	* bfd.c (_bfd_get_gp_value): Prevent illegal access for abfd null
> 	pointers.
> 	(_bfd_set_gp_value): Likewise.

Approved - please apply.

Cheers
        Nick