fix(ns-ha): stop dnsmasq at each sync

Sometime dnsmasq just start for unknown reason.
Make sure it stays put.

Author: gsanchietti

packages/ns-ha/files/500-dhcp-force

@@ -14,4 +14,7 @@ elif [ "$ACTION" == "NOTIFY_BACKUP" ]; then
         uci set dhcp.$section.force='0'
     done
     uci commit dhcp
+else
+    # Sometimes dnsmasq starts when it should not: stop it at every sync and during shutdown
+    /etc/init.d/dnsmasq stop 2&>/dev/null
 fi