Upgrade AWS SDK to the latest version

vendor/github.com/aws/aws-sdk-go/service/cloudwatch/waiters.go

@@ -1,4 +1,4 @@
-// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
+// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.
 
 package cloudwatch
 
@@ -11,7 +11,7 @@ import (
 
 // WaitUntilAlarmExists uses the CloudWatch API operation
 // DescribeAlarms to wait for a condition to be met before returning.
-// If the condition is not meet within the max attempt window an error will
+// If the condition is not met within the max attempt window, an error will
 // be returned.
 func (c *CloudWatch) WaitUntilAlarmExists(input *DescribeAlarmsInput) error {
 	return c.WaitUntilAlarmExistsWithContext(aws.BackgroundContext(), input)
@@ -39,7 +39,12 @@ func (c *CloudWatch) WaitUntilAlarmExistsWithContext(ctx aws.Context, input *Des
 		},
 		Logger: c.Config.Logger,
 		NewRequest: func(opts []request.Option) (*request.Request, error) {
-			req, _ := c.DescribeAlarmsRequest(input)
+			var inCpy *DescribeAlarmsInput
+			if input != nil {
+				tmp := *input
+				inCpy = &tmp
+			}
+			req, _ := c.DescribeAlarmsRequest(inCpy)
 			req.SetContext(ctx)
 			req.ApplyOptions(opts...)
 			return req, nil