hyperv: Simplify the send_completion variables

The union contains only one member now, so we use the variables in it directly.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/hyperv/hyperv_net.h
Simple merge

diff --cc drivers/net/hyperv/netvsc.c
Simple merge

diff --cc drivers/net/hyperv/netvsc_drv.c
Simple merge

diff --cc drivers/net/hyperv/rndis_filter.c
Simple merge