nut: Use diff non-privileged user for upsmon

By default use a non-privileged user that is different than
the server or driver (when they are running non-privileged).
This is recommended by upstream.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

net/nut/Makefile

@@ -145,7 +145,7 @@ define Package/nut-upsmon
   $(call Package/nut/Default)
 	TITLE+= (monitor)
 	DEPENDS:=nut +nut-common
-	USERID:=nut=113:nut=113
+	USERID:=nutmon=114:nutmon=114
 endef
 
 define Package/nut-upsmon/description

net/nut/files/nut-monitor.init

@@ -6,11 +6,13 @@ UPSMON_C=/var/etc/nut/upsmon.conf
 
 nut_upsmon_conf() {
 	local cfg="$1"
+	local RUNAS val optval
 
 	echo "# Config file automatically generated from UCI config" > $UPSMON_C
 
-	config_get runas "$cfg" runas "nut"
-	[ -n "$runas" ] && echo "RUN_AS_USER $runas" >> $UPSMON_C
+	config_get RUNAS "$cfg" runas "nutmon"
+	[ -n "$RUNAS" ] && echo "RUN_AS_USER $RUNAS" >> "$UPSMON_C"
+	runas=$RUNAS
 
 	config_get val "$cfg" minsupplies 1
 	echo "MINSUPPLIES $val" >> $UPSMON_C

net/nut/files/nut_monitor

@@ -1,5 +1,5 @@
 #config upsmon 'upsmon'
-#	option runas run-as-user
+#	option runas nutmon
 #	option minsupplies 1
 #	option shutdowncmd '/usr/sbin/nutshutdown'
 #	option notifycmd /path/to/cmd