iio: addac: ad74413r: fix blank line after declaration warning

Checkpatch wants a blank line after all declarations. Add it now,
even though the patch has already been submitted.
Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Link: https://lore.kernel.org/r/20221124153049.8851-1-cosmin.tanislav@analog.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/addac/ad74413r.c

@@ -1315,6 +1315,7 @@ static int ad74413r_probe(struct spi_device *spi)
 	st->chip_info = device_get_match_data(&spi->dev);
 	if (!st->chip_info) {
 		const struct spi_device_id *id = spi_get_device_id(spi);
+
 		if (id)
 			st->chip_info =
 				(struct ad74413r_chip_info *)id->driver_data;