ipw2200: constify address in ipw_send_adapter_address

Add const to the address param of ipw_send_adapter_address()
all the functions down the chain have already been changed.

Not sure how I lost this in the rebase.
Acked-by: NKalle Valo <kvalo@codeaurora.org>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>
Acked-by: NStanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/wireless/intel/ipw2x00/ipw2200.c

@@ -2303,7 +2303,7 @@ static int ipw_send_ssid(struct ipw_priv *priv, u8 * ssid, int len)
 				ssid);
 }
 
-static int ipw_send_adapter_address(struct ipw_priv *priv, u8 * mac)
+static int ipw_send_adapter_address(struct ipw_priv *priv, const u8 * mac)
 {
 	if (!priv || !mac) {
 		IPW_ERROR("Invalid args\n");