staging: vt6656: desc.h remove typedef tagSTxDataHead_a_FB to new structure in rxtx.h

To new structure.
typedef struct tagSTxDataHead_a_FB -> struct vnt_tx_datahead_a_fb

This is only needed by rxtc.c so moved to rxtx.h visible to
vnt_rts* structures which it will eventually form part of
their structure.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index a4d3728..d7f920d 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -563,7 +563,8 @@
     else if (byPktType == PK_TYPE_11A) {
         if ((byFBOption != AUTO_FB_NONE) && (uDMAIdx != TYPE_ATIMDMA) && (uDMAIdx != TYPE_BEACONDMA)) {
             // Auto Fallback
-            PSTxDataHead_a_FB pBuf = (PSTxDataHead_a_FB)pTxDataHead;
+		struct vnt_tx_datahead_a_fb *pBuf =
+			(struct vnt_tx_datahead_a_fb *)pTxDataHead;
             //Get SignalField,ServiceField,Length
             BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType,
                 (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField)
@@ -1262,12 +1263,12 @@
 		pvRTS = (struct vnt_rts_a_fb *) (pbyTxBufferAddr + wTxBufSize +
 				sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
                 pvCTS = NULL;
-		pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize +
-			sizeof(struct vnt_rrv_time_ab) + cbMICHDR +
+		pvTxDataHd = (struct vnt_tx_datahead_a_fb *)(pbyTxBufferAddr +
+			wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR +
 					sizeof(struct vnt_rts_a_fb));
 		cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
 			cbMICHDR + sizeof(struct vnt_rts_a_fb) +
-					sizeof(STxDataHead_a_FB);
+					sizeof(struct vnt_tx_datahead_a_fb);
             }
             else if (bRTS == false) { //RTS_needless
 		pvRrvTime = (struct vnt_rrv_time_ab *)(pbyTxBufferAddr +
@@ -1276,10 +1277,10 @@
 						sizeof(struct vnt_rrv_time_ab));
                 pvRTS = NULL;
                 pvCTS = NULL;
-		pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize +
-			sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
+		pvTxDataHd = (struct vnt_tx_datahead_a_fb *)(pbyTxBufferAddr +
+			wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
 		cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
-			cbMICHDR + sizeof(STxDataHead_a_FB);
+			cbMICHDR + sizeof(struct vnt_tx_datahead_a_fb);
             }
         } // Auto Fall Back
     }