Staging: vt665x: 64bit compile fixes Part 2

Fix compile problems with 64bit.  These issues could cause corrupted
address crashes. Cleanup definition use to use more portable kernel
typedefs etc.

Signed-off-by: Jim Lieb <lieb@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 7e40ceb..6fd894ae 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -753,7 +753,7 @@
                  wpahdr->req_ie_len = 0;
                  skb_put(pDevice->skb, sizeof(viawget_wpa_header));
                  pDevice->skb->dev = pDevice->wpadev;
-                 pDevice->skb->mac_header = pDevice->skb->data;
+		 skb_reset_mac_header(pDevice->skb);
                  pDevice->skb->pkt_type = PACKET_HOST;
                  pDevice->skb->protocol = htons(ETH_P_802_2);
                  memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));