Fix "code=995" bug with windows NDIS6 tap driver.

Fix "code=995" bug with windows NDIS6 tap driver.

Modification to address bug where OpenVPN enters state where it is
unresponsive and cannot be terminated. Log output is continuous spew
of "code=995" errors.

Revised fix for code=995 sped bug.

Adding new tap adapters while connected:
  https://community.openvpn.net/openvpn/ticket/430

Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1413961660-19251-2-git-send-email-samuli@openvpn.net>
URL: http://article.gmane.org/gmane.network.openvpn.devel/9165
Signed-off-by: Gert Doering <gert@greenie.muc.de>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1413961660-19251-3-git-send-email-samuli@openvpn.net>
URL: http://article.gmane.org/gmane.network.openvpn.devel/9167
Signed-off-by: Gert Doering <gert@greenie.muc.de>