[binutils-gdb] remove pointless assignment

[Alan Modra]

On Fri, Apr 22, 2016 at 07:28:45PM +0100, Maciej W. Rozycki wrote:
>  Why did you commit this change without a review?  I saw Alan made some 
> suggestions on top of your original submission, but he didn't say a change 
> with these updates was preapproved

That was my intent, if not my exact wording.  I'm sorry if I erred in
reviewing the patch.

-- 
Alan Modra
Australia Development Lab, IBM