iio: light: hid-sensor-prox: Fit assignment in one line

There is no need to do the assignment to indio_dev->num_channels in two
lines code.

Put it in one line.

Signed-off-by: Fabio Estevam <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/light/hid-sensor-prox.c

···
 		goto error_free_dev_mem;
 	}
 
-	indio_dev->num_channels =
-				ARRAY_SIZE(prox_channels);
+	indio_dev->num_channels = ARRAY_SIZE(prox_channels);
 	indio_dev->dev.parent = &pdev->dev;
 	indio_dev->info = &prox_info;
 	indio_dev->name = name;