UTS_TRUNCATTE is simpler this way, and now editors idetify this as a
shell script.
Signed-off-by: NFelipe Contreras <felipe.contreras@gmail.com>
Acked-by: NWANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>