[PATCH 1/2] Fix gdb.flush documentation

[Eli Zaretskii]

> Date: Mon, 15 Aug 2022 12:50:08 -0600
> From: Tom Tromey via Gdb-patches <gdb-patches@sourceware.org>
> Cc: Tom Tromey <tromey@adacore.com>
> 
> The gdb.flush documentation does not mention the 'stream' argument in
> the function signature, only in the description.  This patch fixes the
> oversight.

Thanks, this falls under the "obvious fix" category, I think.  It's
fine in any case.