Update changelog

Author: danielnelson

CHANGELOG.md

@@ -35,6 +35,7 @@
 - [#5179](https://github.com/influxdata/telegraf/issues/5179): Add PDH_NO_DATA to known counter error codes in win_perf_counters.
 - [#5170](https://github.com/influxdata/telegraf/issues/5170): Fix amqp_consumer stops consuming on empty message.
 - [#4906](https://github.com/influxdata/telegraf/issues/4906): Fix multiple replace tables not working in strings processor.
+- [#5219](https://github.com/influxdata/telegraf/issues/5219): Allow non local udp connections in net_response.
 
 ## v1.9.1 [2018-12-11]