rt2x00: Make rt2x00leds_register return void

rt2x00dev isn't interested in the rt2x00leds_register() value
anyway. So lets make it return void to even prevent people from
assuming there is anybody interested in the returnvalue.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index 6bd5a01..a15227d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -189,7 +189,7 @@
  */
 #ifdef CONFIG_RT2X00_LIB_LEDS
 void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi);
-int rt2x00leds_register(struct rt2x00_dev *rt2x00dev);
+void rt2x00leds_register(struct rt2x00_dev *rt2x00dev);
 void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev);
 void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev);
 void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev);
@@ -199,9 +199,8 @@
 {
 }
 
-static inline int rt2x00leds_register(struct rt2x00_dev *rt2x00dev)
+static inline void rt2x00leds_register(struct rt2x00_dev *rt2x00dev)
 {
-	return 0;
 }
 
 static inline void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev)