cli: exit on incorrect option
cli: exit on incorrect option

Change-Id: I337535a738ccc00f6d9a55126b71edddea9a3779
Signed-off-by: Michael Pasternak <af5566a40fc9757136fd9da9ca5e2dbdd9b039eb@redhat.com>

oVirt/ovirt-engine-cli,oVirt/ovirt-engine-cli