[PATCH] fix build failure with Python 3.7

[Paul.Koning@dell.com]

> On Jun 8, 2018, at 10:55 AM, Pedro Alves <palves@redhat.com> wrote:
> 
> On 06/08/2018 03:37 PM, Paul.Koning@dell.com wrote:
> 
>>> Thanks.  AFAICT, everything's sorted out.  Anything holding this back?
>> 
>> Just waiting for approval to commit.
>> 
> 
> Ah, but you already have it:
> 
> https://sourceware.org/ml/gdb-patches/2018-06/msg00015.html
> 
> Sorry if that wasn't clear.
> 
> Thanks,
> Pedro Alves

It was clear, but I managed to overlook the original message.

I committed the patch with a commit message that references the original (Red Hat) bug.

	paul