xfree86: ensure the readlink buffer is null-terminated
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Dave Airlie <airlied@redhat.com>