Building today's snapshot of GDB with MinGW

[Eli Zaretskii]

> From: Tom de Vries <tdevries@suse.de>
> Cc: gdb-patches@sourceware.org
> Date: Mon, 27 Jul 2020 12:26:24 +0200
> 
> It's a typo : sys/sockets.h instead of sys/socket.h.

Sorry about that, and thanks for fixing the typo.