check_set_mode(): fix a compiler warning

The following warning appears after commit ace0c72b:

vzctl-actions.c: In function ‘check_set_mode’:
vzctl-actions.c:457: warning: control reaches end of non-void function

Fix it by adding 'default:' case for switch, make gcc happy.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed