bug#29347: 27.0.50; C-g doesn't quit minibuffer

[Eli Zaretskii]

> From: Mike Gerwitz <mtg@gnu.org>
> Cc: rms@gnu.org,  29347@debbugs.gnu.org,  29370@debbugs.gnu.org
> Date: Sun, 26 Nov 2017 23:48:51 -0500
> 
> On Fri, Nov 24, 2017 at 18:17:58 +0200, Eli Zaretskii wrote:
> > I think I fixed the problem which caused Emacs to hang in this
> > particular scenario, but I'm not sure Richard is seeing the same
> > problem.  The change I installed on the emacs-26 branch is below;
> > Richard, please try applying it, and see if your problems go away.
> 
> The issue has been fixed on the current emacs-26 branch
> (6ec5d49).  Thanks for the quick fix, Eli!

Thanks for testing.  This scenario was simple enough to understand
what was wrong.  I just hope this also solves Richard's problems.