do not have headers with empty values (#1714)

Author: harshavardhana

api-compose-object.go

@@ -221,7 +221,7 @@ func (c *Client) copyObjectDo(ctx context.Context, srcBucket, srcObject, destBuc
 		headers.Set(minIOBucketSourceETag, dstOpts.Internal.SourceETag)
 	}
 	if dstOpts.Internal.ReplicationRequest {
-		headers.Set(minIOBucketReplicationRequest, "")
+		headers.Set(minIOBucketReplicationRequest, "true")
 	}
 	if !dstOpts.Internal.LegalholdTimestamp.IsZero() {
 		headers.Set(minIOBucketReplicationObjectLegalHoldTimestamp, dstOpts.Internal.LegalholdTimestamp.Format(time.RFC3339Nano))

api-put-object.go

@@ -159,7 +159,7 @@ func (opts PutObjectOptions) Header() (header http.Header) {
 		header.Set(minIOBucketSourceETag, opts.Internal.SourceETag)
 	}
 	if opts.Internal.ReplicationRequest {
-		header.Set(minIOBucketReplicationRequest, "")
+		header.Set(minIOBucketReplicationRequest, "true")
 	}
 	if !opts.Internal.LegalholdTimestamp.IsZero() {
 		header.Set(minIOBucketReplicationObjectLegalHoldTimestamp, opts.Internal.LegalholdTimestamp.Format(time.RFC3339Nano))

api-remove.go

@@ -166,7 +166,7 @@ func (c *Client) removeObject(ctx context.Context, bucketName, objectName string
 		headers.Set(amzBucketReplicationStatus, string(opts.Internal.ReplicationStatus))
 	}
 	if opts.Internal.ReplicationRequest {
-		headers.Set(minIOBucketReplicationRequest, "")
+		headers.Set(minIOBucketReplicationRequest, "true")
 	}
 	if opts.ForceDelete {
 		headers.Set(minIOForceDelete, "true")