Mouse pointer upside down
Mouse pointer (cursor) appears upside down. There is mention on forum about this for version 0.37.0: https://forum.openmw.org/viewtopic.php?f=20&t=2949&hilit=0.37.0&start=60#p34269
OpenMW 0.40.0 (a6329749). MacOS 10.12.
(RM-3567 from redmine: created on 2016-09-28 by Fgsfds Fgsfds, , relates #4137 (closed), duplicates #3966 (closed))