rt2x00: Corectly initialize rt2500usb MAC

mac is a pointer, obviously we shouldn't use the address
of a pointer as MAC address.

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/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 50775f9..18b1f91 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -257,7 +257,7 @@
 static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev,
 				      __le32 *mac)
 {
-	rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, &mac,
+	rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
 				      (3 * sizeof(__le16)));
 }