Split the PROTO_UDP_xx options into AF_INET/AF_INET6 and PROTO_TCP/PROTO_UDP part.

Splitting will make the code a little bit cleaner and prepares for dual
stack

Signed-off-by: Arne Schwabe <arne@rfc2549.org>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1385236624-3776-1-git-send-email-arne@rfc2549.org>
URL: http://article.gmane.org/gmane.network.openvpn.devel/8043
Signed-off-by: Gert Doering <gert@greenie.muc.de>