[BRLTTY] Issue linking brlapi and orca.

[Samuel Thibault]

Hello,

Didier Spaier, on mer. 13 sept. 2017 01:13:03 +0200, wrote:
> brlapi.ConnectionError: couldn't connect to b':0' with key b'polkit+keyfile:/etc/brlapi.key': b'connect: Aucun fichier ou dossier de ce type'

Note: it's the connect operation which fails. It needs a directory
/var/lib/BrlAPI to be 1777, so brltty can create its socket there.

Samuel