Inadvertently run inferior threads

[Eli Zaretskii]

> Date: Tue, 23 Jun 2015 20:11:12 +0100
> From: Pedro Alves <palves@redhat.com>
> CC: Eli Zaretskii <eliz@gnu.org>, gdb <gdb@sourceware.org>
> 
> This makes GDB mark threads as running while doing an infcall,
> and sets them back to stopped when the call finishes.  The MI
> event suppression is done elsewhere and isn't really affected.
> So I'm leaving MI untouched for now.
> 
> Eli, could you give it try to check if this fixes your
> case too, please?

Thanks, will do ASAP.