Staging: hv: netvsc_drv: Invoke rndis_filter_send() directly

In preparation to getting rid of struct netvsc_driver,
make the function  rndis_filter_send()  non-static.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/netvsc_drv.c

@@ -184,7 +184,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 	packet->completion.send.send_completion_ctx = packet;
 	packet->completion.send.send_completion_tid = (unsigned long)skb;
 
-	ret = net_drv_obj->send(net_device_ctx->device_ctx,
+	ret = rndis_filter_send(net_device_ctx->device_ctx,
 				  packet);
 	if (ret == 0) {
 		net->stats.tx_bytes += skb->len;