[BRLTTY] Fix for the brlapi crash under Cython 3.0

[Samuel Thibault]

Dave Mielke, le mar. 15 août 2023 10:41:28 -0400, a ecrit:
> [quoted lines by Lukáš Tyrychtr on 2023/08/15 at 14:46 +0200]
> >I've successfully tracked the reason for the brlapi crash under Cython 3.0,
> 
> Excellent!
> 
> All: How urgently should a new brltty release show up?

I don't know if there are users of the python bindings beyond orca
(which now has a workaround) and fenrir. I guess the fenrir people would
be happy to avoid having to introduce a workaround like orca did.

Samuel