net/keepalived: change use_vmac to boolean

Append use_vmac with no_val_ so that the uci generation will treat this
as an boolean option. If the option is set then a interface with
vrrp.{virtual_router_id} is added to the system.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/keepalived/files/keepalived.init

@@ -283,13 +283,14 @@ vrrp_instance() {
 		printf "$INDENT_1}\n" >> $KEEPALIVED_CONF
 	}
 
-	print_elems_indent $1 $INDENT_1 use_vmac state interface \
+	print_elems_indent $1 $INDENT_1 state interface \
 		mcast_src_ip unicast_src_ip virtual_router_id version priority \
 		advert_int preempt_delay debug \
 		lvs_sync_daemon_interface garp_master_delay garp_master_refresh \
 		garp_master_repeat garp_master_refresh_repeat \
 		no_val_vmac_xmit_base no_val_native_ipv6 no_val_accept \
-		no_val_dont_track_primary no_val_smtp_alert no_val_nopreempt
+		no_val_dont_track_primary no_val_smtp_alert no_val_nopreempt \
+		no_val_use_vmac
 
 	print_notify "INSTANCE" "$name" notify_backup notify_master \
 		notify_fault notify_stop notify