staging: iio: Coding style issues fix.

Fix some little style issues in drivers/staging/iio/frequency/ad9832.c .
This is my latest task of the eudyptula challenge (third attempt!)
Signed-off-by: Federico Di Pierro <nierro92@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/staging/iio/frequency/ad9832.c

@@ -72,10 +72,8 @@ static int ad9832_write_phase(struct ad9832_state *st,
 	return spi_sync(st->spi, &st->phase_msg);
 }
 
-static ssize_t ad9832_write(struct device *dev,
-		struct device_attribute *attr,
-		const char *buf,
-		size_t len)
+static ssize_t ad9832_write(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t len)
 {
 	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad9832_state *st = iio_priv(indio_dev);
@@ -109,11 +107,11 @@ static ssize_t ad9832_write(struct device *dev,
 		ret = spi_sync(st->spi, &st->msg);
 		break;
 	case AD9832_FREQ_SYM:
-		if (val == 1)
+		if (val == 1) {
 			st->ctrl_fp |= AD9832_FREQ;
-		else if (val == 0)
+		} else if (val == 0) {
 			st->ctrl_fp &= ~AD9832_FREQ;
-		else {
+		} else {
 			ret = -EINVAL;
 			break;
 		}