regulator: mp8859: tidy up white space in probe

These two lines are indented an extra tab.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200110055252.rvelu4ysvoxsbmlg@kili.mountainSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/mp8859.c

@@ -123,8 +123,8 @@ static int mp8859_i2c_probe(struct i2c_client *i2c)
 		ret = PTR_ERR(rdev);
 		dev_err(&i2c->dev, "failed to register %s: %d\n",
 			mp8859_regulators[0].name, ret);
-			return ret;
-		}
+		return ret;
+	}
 	return 0;
 }