Alexander Motin 309b1c7ade Alike to r293708 relax pool check in vdev_geom_open_by_path().
This made impossible spare disk open by known path, which kind of worked
only because the same fix was applied to vdev_geom_attach_by_guids() in
r293708.

MFC after:	1 week
2016-04-07 12:54:44 +00:00
..
2016-04-06 05:13:36 +00:00