changelog: adds note about closing #7382

CHANGELOG.md

@@ -41,6 +41,7 @@
 * **Prometheus**: Add support for basic auth in Prometheus tsdb package [#6799](https://github.com/grafana/grafana/issues/6799), thx [@hagen1778](https://github.com/hagen1778)
 * **OAuth**: Redirect to original page when logging in with OAuth [#7513](https://github.com/grafana/grafana/issues/7513)
 * **Annotations**: Wrap text in annotations tooltip [#7542](https://github.com/grafana/grafana/pull/7542), thx [@xginn8](https://github.com/xginn8)
+* **Templating**: Fixes error when using numeric sort on empty strings [#7382](https://github.com/grafana/grafana/issues/7382)
 
 # 4.1.2 (2017-02-13)