fix linter errors

plugins/inputs/http_listener/http_listener.go

@@ -17,9 +17,9 @@ import (
 )
 
 type HttpListener struct {
-	ServiceAddress  string
-	ReadTimeout	string
-	WriteTimeout	string
+	ServiceAddress string
+	ReadTimeout    string
+	WriteTimeout   string
 
 	sync.Mutex
 
@@ -89,9 +89,9 @@ func (t *HttpListener) httpListen() error {
 	writeTimeout, err := strconv.ParseInt(t.WriteTimeout, 10, 32)
 
 	var server = http.Server{
-		Handler:        t,
-		ReadTimeout:    time.Duration(readTimeout) * time.Second,
-		WriteTimeout:   time.Duration(writeTimeout) * time.Second,
+		Handler:      t,
+		ReadTimeout:  time.Duration(readTimeout) * time.Second,
+		WriteTimeout: time.Duration(writeTimeout) * time.Second,
 	}
 
 	err = server.Serve(t.listener)

plugins/inputs/http_listener/http_listener_test.go

@@ -7,9 +7,9 @@ import (
 	"github.com/influxdata/telegraf/plugins/parsers"
 	"github.com/influxdata/telegraf/testutil"
 
+	"bytes"
 	"github.com/stretchr/testify/require"
 	"net/http"
-	"bytes"
 )
 
 const (
@@ -26,11 +26,11 @@ cpu_load_short,host=server06 value=12.0 1422568543702900257
 	emptyMsg = ""
 )
 
-func newTestHttpListener() (*HttpListener) {
+func newTestHttpListener() *HttpListener {
 	listener := &HttpListener{
 		ServiceAddress: ":8186",
-		ReadTimeout: "10",
-		WriteTimeout: "10",
+		ReadTimeout:    "10",
+		WriteTimeout:   "10",
 	}
 	return listener
 }
@@ -125,4 +125,3 @@ func TestQueryHTTP(t *testing.T) {
 	require.NoError(t, err)
 	require.EqualValues(t, 200, resp.StatusCode)
 }
-