lxcapi_snapshot: check that c is defined

before using it, like the other snapshot api methods do.

This will need to go into stable-1.0 as well.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
lxc-fedora.in: Correct some systemd target setups.

Set the halt.target action to be sigpwr.target.  This allows
SIGPWR to properly shut the container down from lxc-stop.

Renable the systemd-journald.service.

Signed-off-by: Michael H. Warfield <mhw@WittsEnd.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>