net-snmp: add system to trigger

In a previous commit (0b12bee) hostname was added to
snmpd.init. To track changes in system, the init file
needs to add 'system' to the trigger.
Therefore it is added in this commit.

Fixes: 0b12bee66a ("net-snmp: set hostname as sysname")

Signed-off-by: Christian Korber <ck@dev.tdt.de>

net/net-snmp/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=net-snmp
 PKG_VERSION:=5.9.4
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@SF/net-snmp

net/net-snmp/files/snmpd.init

@@ -353,7 +353,7 @@ service_triggers(){
 	procd_add_raw_trigger "interface.*" 2000 /etc/init.d/$name reload
 	procd_close_trigger
 
-	procd_add_reload_trigger 'snmpd'
+	procd_add_reload_trigger 'snmpd' 'system'
 }
 
 service_started() {