b43legacy: fix typo in ifdef comment

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43legacy/leds.h

@@ -45,7 +45,7 @@ enum b43legacy_led_behaviour {
 void b43legacy_leds_init(struct b43legacy_wldev *dev);
 void b43legacy_leds_exit(struct b43legacy_wldev *dev);
 
-#else /* CONFIG_B43EGACY_LEDS */
+#else /* CONFIG_B43LEGACY_LEDS */
 /* LED support disabled */
 
 struct b43legacy_led {