[Libguestfs] [PATCH v2 0/3] Implement guestfs_add_libvirt_dom.

[Richard W.M. Jones]

This completes the implementation on the libguestfs side, allowing
python-libvirt dom pointers to be passed to guestfs_add_libvirt_dom.

For context see:
https://bugzilla.redhat.com/show_bug.cgi?id=1138203#c40
https://bugzilla.redhat.com/show_bug.cgi?id=1075143
https://bugzilla.redhat.com/show_bug.cgi?id=1075164

Rich.