[patch] iio: light: apds9960: silence uninitialized variable warning

[Dan Carpenter]

It causes a static checker warning if we use "buf" on the failure path
so move that inside the if statement.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index a6af56a..fbdd172 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -491,9 +491,10 @@ static int apds9960_read_raw(struct iio_dev *indio_dev,
                case IIO_INTENSITY:
                        ret = regmap_bulk_read(data->regmap, chan->address,
                                               &buf, 2);
-                       if (!ret)
+                       if (!ret) {
                                ret = IIO_VAL_INT;
-                       *val = le16_to_cpu(buf);
+                               *val = le16_to_cpu(buf);
+                       }
                        break;
                default:
                        ret = -EINVAL;