audit: use new audit_context access funciton for seccomp_actions_logged

On the rebase of the following commit on the new seccomp actions_logged
function, one audit_context access was missed.

commit cdfb6b34
("audit: use inline function to get audit context")

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>