hwmon: (max16065) Fix current calculation

Current calculation is completely wrong. Add missing brackets to fix it.
Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>
Acked-by: NJean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org # 3.0+

drivers/hwmon/max16065.c

@@ -124,7 +124,7 @@ static inline int MV_TO_LIMIT(int mv, int range)
 
 static inline int ADC_TO_CURR(int adc, int gain)
 {
-	return adc * 1400000 / gain * 255;
+	return adc * 1400000 / (gain * 255);
 }
 
 /*