Mafia III launcher crashes when querying video controllers when it
passes the NULL __PATH value through COM marshalling.
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>