Fix build due to previous LXC patch
Fix build due to previous LXC patch

Mark virDomainLxcEnterNamespace as skipped in python binding
and remove reference to lxcDomainOpenNamespace which doesn't
arrive until a later patch

libvirt/libvirt-python,cardoe/libvirt-python,libvirt/libvirt-python,cardoe/libvirt-python,cardoe/libvirt-python,libvirt/libvirt-python