mwan3: switch to procd init script

This enables the procd handling for mwan3 on config change.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
(cherry picked from commit a6dc75428c)

net/mwan3/files/etc/init.d/mwan3

@@ -1,20 +1,28 @@
 #!/bin/sh /etc/rc.common
 
 START=19
-
-reload() {
-	/usr/sbin/mwan3 restart
-}
+USE_PROCD=1
 
 boot() {
 	. /lib/config/uci.sh
 	uci_toggle_state mwan3 globals enabled "1"
+	mwan3_boot=1
+	rc_procd start_service
 }
 
-start() {
+reload_service() {
+	/usr/sbin/mwan3 restart
+}
+
+start_service() {
+	[ -n "${mwan3_boot}" ] && return 0
 	/usr/sbin/mwan3 start
 }
 
-stop() {
+stop_service() {
 	/usr/sbin/mwan3 stop
 }
+
+service_triggers() {
+	procd_add_reload_trigger 'mwan3'
+}