keepalived: convert init script to procd format

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

net/keepalived/files/keepalived.init

@@ -2,13 +2,17 @@
 # Copyright (C) 2007-2015 OpenWrt.org
 
 START=70
+STOP=01
 
-SERVICE_USE_PID=1
+USE_PROCD=1
 
-start() {
-	service_start /usr/sbin/keepalived
-}
+start_service() {
+	procd_open_instance
+	procd_set_param command /usr/sbin/keepalived
+	procd_append_param command -n # don't daemonize, procd will handle that for us
 
-stop() {
-	service_stop /usr/sbin/keepalived
+	# set auto respawn behavior
+	procd_set_param respawn
+	procd_close_instance
 }
+