PATCHv3 Remove unused variables or put them to the defines they are being used in

Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1366059999-31731-1-git-send-email-arne@rfc2549.org>
URL: http://article.gmane.org/gmane.network.openvpn.devel/7511

Signed-off-by: Gert Doering <gert@greenie.muc.de>