Update contrib/pull-resolv-conf/client.up for no DOMAIN

Update contrib/pull-resolv-conf/client.up for no DOMAIN

When no DOMAIN is received from push/pull, do not add either domain or
search to the resolv.conf. Fix typo in comment resolv.con[f]. Only add
new line when using domain or search.

URL: https://github.com/OpenVPN/openvpn/pull/34
Acked-by: Steffan Karger <steffan@karger.me>
Signed-off-by: Samuli Seppänen <samuli@openvpn.net>
Acked-by: Steffan Karger <steffan@karger.me>
Message-Id: <1463736310-17846-1-git-send-email-samuli@openvpn.net>
URL: http://article.gmane.org/gmane.network.openvpn.devel/11682
Signed-off-by: David Sommerseth <dazo@privateinternetaccess.com>