SMACK4

http://cgit.freedesktop.org/systemd/systemd/commit/?id=8552b17660033812080a11533bd0edce74401039
https://review.tizen.org/git/?p=platform/upstream/systemd.git;a=commitdiff;h=1798862c61e0573f550b94c699a885670133ccbb

Change-Id: I5416677bafb65e763bf5336c773e7d1ff0904c26
Signed-off-by: Manuel Bachmann <manuel.bachmann@open.eurogiciel.org>