prometheus-node-exporter-lua: fixed small warning

This happens during compilation:

Enabling network
./etc/init.d/prometheus-node-exporter-lua: line 7: /lib/functions/network.sh: No such file or directory

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/prometheus-node-exporter-lua/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=prometheus-node-exporter-lua
 PKG_VERSION:=2019.11.17
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_MAINTAINER:=Etienne CHAMPETIER <champetier.etienne@gmail.com>
 PKG_LICENSE:=Apache-2.0

utils/prometheus-node-exporter-lua/files/etc/init.d/prometheus-node-exporter-lua

@@ -4,13 +4,13 @@
 START=60
 USE_PROCD=1
 
-. /lib/functions/network.sh
-
 _log() {
 	logger -p daemon.info -t prometheus-node-exporter-lua "$@"
 }
 
 start_service() {
+	. /lib/functions/network.sh
+
 	local interface ipv6 port bind
 
 	config_load prometheus-node-exporter-lua.main