daemonize implies close_all_fds so set it in lxcapi_want_daemonize instead of setting in every cli or in every binding explicitly

Reported-by: Fatih Arslan <ftharsln@gmail.com>
Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>