No option to hibernate instead of suspend when inactive

[i30817]

This should exist too if the user reenabled hibernate with the instructions in
https://bugs.launchpad.net/ubuntu/+source/policykit-desktop-privileges/+bug/812394

Otherwise, it leads to hacks like:
http://superuser.com/questions/418969/how-to-make-gnome-3-use-suspend-hybrid

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gnome-control-center 1:3.6.3-0ubuntu24.1
ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
Uname: Linux 3.8.0-25-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Mon Jul 1 02:03:40 2013
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2013-04-22 (69 days ago)
InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Release amd64 (20130421)
MarkForUpload: True
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_gnome-control-center: gnome-control-center-signon 0.1.6bzr13.04.05-0ubuntu1.1