iio: light: tsl2591: delete a stray tab

This return statement is indented one more tab than it should be.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YJ523y0dhc1IwCOB@mwandaSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/light/tsl2591.c

@@ -451,7 +451,7 @@ static int tsl2591_read_channel_data(struct iio_dev *indio_dev,
 					    sizeof(als_data), als_data);
 	if (ret < 0) {
 		dev_err(&client->dev, "Failed to read data bytes");
-			return ret;
+		return ret;
 	}
 
 	als_ch0 = get_unaligned_le16(&als_data[0]);