"#include vircgroup.h" appears in both lxc_cgroup.h and
lxc_cgroup.c, and lxc_cgroup.c contains lxc_cgroup.h,
so remove the duplicate declarations.
Signed-off-by: NMao Zhongyi <maozhongyi@cmss.chinamobile.com>
Signed-off-by: NZhang Shengju <zhangshengju@cmss.chinamobile.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>