Change chown_mapped_root() to map in both the root uid and gid, not
just the uid, so as to work lxc-start with unprivileged containers on
recent kernel.
Signed-off-by: TAMUKI Shoichi <tamuki@linet.gr.jp>
Signed-off-by: KATOH Yasufumi <karma@jazz.email.ne.jp>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>