Fix alicloud-ecs typo

* Fix typo: internet_max_bandwith_out -> internet_max_bandwidth_out

builder/alicloud/ecs/run_config.go

@@ -4,11 +4,11 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/hashicorp/packer/common/uuid"
 	"github.com/hashicorp/packer/helper/communicator"
 	"github.com/hashicorp/packer/template/interpolate"
-	"strings"
 )
 
 type RunConfig struct {
@@ -30,7 +30,7 @@ type RunConfig struct {
 	VSwitchName              string `mapstructure:"vswitch_id"`
 	InstanceName             string `mapstructure:"instance_name"`
 	InternetChargeType       string `mapstructure:"internet_charge_type"`
-	InternetMaxBandwidthOut  int    `mapstructure:"internet_max_bandwith_out"`
+	InternetMaxBandwidthOut  int    `mapstructure:"internet_max_bandwidth_out"`
 	TemporaryKeyPairName     string `mapstructure:"temporary_key_pair_name"`
 
 	// Communicator settings

website/source/docs/builders/alicloud-ecs.html.md

@@ -173,7 +173,7 @@ builder.
     If this parameter is not specified, the default value is `PayByBandwidth`.
 
 
-- `internet_max_bandwith_out` (string) - Maximum outgoing bandwidth to the public
+- `internet_max_bandwidth_out` (string) - Maximum outgoing bandwidth to the public
   network, measured in Mbps (Mega bit per second).
 
     Value range: