staging: vt6656: Remove unused variable byACKRate.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/device.h

@@ -535,7 +535,6 @@ struct vnt_private {
 	u8 byBBType; /* 0: 11A, 1:11B, 2:11G */
 	u8 byPacketType; /* 0:11a 1:11b 2:11gb 3:11ga */
 	u16 wBasicRate;
-	u8 byACKRate;
 	u8 byTopOFDMBasicRate;
 	u8 byTopCCKBasicRate;
 

drivers/staging/vt6656/rxtx.c

@@ -2341,12 +2341,10 @@ int nsDMA_tx_packet(struct vnt_private *pDevice, struct sk_buff *skb)
 	if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) {
 		if (pDevice->byBBType != BB_TYPE_11A) {
 			pDevice->wCurrentRate = RATE_1M;
-			pDevice->byACKRate = RATE_1M;
 			pDevice->byTopCCKBasicRate = RATE_1M;
 			pDevice->byTopOFDMBasicRate = RATE_6M;
 		} else {
 			pDevice->wCurrentRate = RATE_6M;
-			pDevice->byACKRate = RATE_6M;
 			pDevice->byTopCCKBasicRate = RATE_1M;
 			pDevice->byTopOFDMBasicRate = RATE_6M;
 		}