Staging: iio: resolver: ad2s1210: Fix warning, statements should start on a tabstop

Fix checkpatch warning:
Statements should start on a tabstop.
Signed-off-by: NMiguel Robles <miguel.robles@farole.net>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/staging/iio/resolver/ad2s1210.c

@@ -490,8 +490,8 @@ static int ad2s1210_read_raw(struct iio_dev *indio_dev,
 		ad2s1210_set_mode(MOD_VEL, st);
 		break;
 	default:
-	       ret = -EINVAL;
-	       break;
+		ret = -EINVAL;
+		break;
 	}
 	if (ret < 0)
 		goto error_ret;