Fix leaky tcp connections in phpfpm plugin

closes #1089

CHANGELOG.md

@@ -53,6 +53,7 @@ based on _prefix_ in addition to globs. This means that a filter like
 - [#1022](https://github.com/influxdata/telegraf/issues/1022): Dont error deb/rpm install on systemd errors.
 - [#1078](https://github.com/influxdata/telegraf/issues/1078): Use default AWS credential chain.
 - [#1070](https://github.com/influxdata/telegraf/issues/1070): SQL Server input. Fix datatype conversion.
+- [#1089](https://github.com/influxdata/telegraf/issues/1089): Fix leaky TCP connections in phpfpm plugin.
 
 ## v0.12.1 [2016-04-14]
 

plugins/inputs/phpfpm/phpfpm.go

@@ -184,6 +184,7 @@ func (g *phpfpm) gatherHttp(addr string, acc telegraf.Accumulator) error {
 		return fmt.Errorf("Unable to connect to phpfpm status page '%s': %v",
 			addr, err)
 	}
+	defer res.Body.Close()
 
 	if res.StatusCode != 200 {
 		return fmt.Errorf("Unable to get valid stat result from '%s': %v",