bug#32319: 27.0.50; flyspell-mode error on start

[Eli Zaretskii <eliz@gnu.org>]

> From: Eric Abrahamsen <eric@ericabrahamsen.net>
> Cc: 32319@debbugs.gnu.org
> Date: Sat, 04 Aug 2018 22:21:47 -0700
> 
> > Does the patch below produce a useful diagnostic?
> 
> This patch is just fine, and would certainly be a lot better than the
> current situation. I only note that, if we allow this function to fail
> silently, the error you get *later on*, when you try to use flyspell to
> do something, comes directly from hunspell and says exactly what the
> problem is (ie, which dictionary it tried and failed to load). That's
> even more helpful. If we did that, this function could just call
> `ispell-print-if-debug' and log the failure quietly.
> 
> But raising an error directly is also fine, and might be preferable in
> order to avoid creating weird problems further down the line.

OK, so I installed my patch on the master branch, and I'm marking this
bug done.  Thanks for the analysis and the feedback.