ls: Add -Z (Smack) option

Option triggers printing security context,
for smack that is file's access smack label.

Change-Id: I9054d9bcfe4d149e8fbfa0831b6ab50165d2bd91
Signed-off-by: Jan Cybulski <j.cybulski@samsung.com>
Signed-off-by: José Bollo <jose.bollo@open.eurogiciel.org>
1 file changed