fix init script

package/net-snmp/files/snmpd.init

@@ -7,7 +7,7 @@
 case $1 in
 autostop) ;;
 autostart)
-	[[ $snmpd_flags = NO ]] && exit 0
+	[[ $snmpd = NO ]] && exit 0
 	exec sh $0 start
 	;;
 start)