staging: vt6655: rxtx.h structure vnt_mic_hdr add IEEE80211_CCMP_PN_LEN macro

ccmp_pn is the size of IEEE80211_CCMP_PN_LEN (6)
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/rxtx.h

@@ -44,7 +44,7 @@ struct vnt_mic_hdr {
 	u8 id;
 	u8 tx_priority;
 	u8 mic_addr2[ETH_ALEN];
-	u8 ccmp_pn[6];
+	u8 ccmp_pn[IEEE80211_CCMP_PN_LEN];
 	__be16 payload_len;
 	__be16 hlen;
 	__le16 frame_control;