modesetting: fix cursor rendering with hotspots.
modesetting: fix cursor rendering with hotspots.

older kernels report EINVAL not ENOSYS, doh.

Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@redhat.com>

wzyy2/xf86-video-modesetting,wzyy2/xf86-video-modesetting