Drivers: iio:adc: fix brace coding style issue in at91_adc.c

This is a patch to the at91_adc.c file that fixes up a brace
warning found by the checkpatch.pl tool
Signed-off-by: NVenkat Prashanth B U <venkat.prashanth2498@gmail.com>
Signed-off-by: NJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/iio/adc/at91_adc.c

@@ -1177,9 +1177,9 @@ static int at91_adc_probe(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
 	st->reg_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(st->reg_base)) {
+	if (IS_ERR(st->reg_base))
 		return PTR_ERR(st->reg_base);
-	}
+
 
 	/*
 	 * Disable all IRQs before setting up the handler