define some macros to fix the build
define some macros to fix the build

Not all kernels have these macros; they'll just give an EINVAL if/when invoked.

Signed-off-by: Tycho Andersen <10c18fcb898ee6b17d6575d444b125d10b3f4d6a@canonical.com>
Acked-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

christiaan/lxc,regit/lxc,DarknessBeforeDawn/lxc,efiop/lxc,fwilson42/lxc,hallyn/lxc,armcc/lxc,Distrotech/lxc,JohnPeacockMessageSystems/lxc,terceiro/lxc,jirislaby/lxc,ysbnim/lxc,rowhit/lxc,ysbnim/lxc,LynxChaus/lxc,caglar10ur/lxc,virajs/lxc,ss1h2a3tw/lxc,codebauss/lxc,hfuCN/lxc,Distrotech/lxc,efiop/lxc,aeris/lxc,federicobriata/lxc,Pelagicore/lxc,fwilson42/lxc,hallyn/lxc,szaszg/lxc,rowhit/lxc,GreatFruitOmsk/lxc,Ponce/lxc,bmoar/lxc,major/lxc,lisongmin/lxc,tych0/lxc,cjwatson/lxc,caglar10ur/lxc,ksperis/lxc,bostjan/lxc,yubo/lxc,bmoar/lxc,lazy404/lxc,thmo/lxc,ecarrara/lxc,lisongmin/lxc,LynxChaus/lxc,major/lxc,Pelagicore/lxc,DarknessBeforeDawn/lxc,major/lxc,hfuCN/lxc,virajs/lxc,terceiro/lxc,jirislaby/lxc,aeris/lxc,akshaykarle/lxc,codebauss/lxc,LynxChaus/lxc,akshaykarle/lxc,terceiro/lxc,christiaan/lxc,sapun/lxc,QingweiPeterLan/cs188-lxc,ksperis/lxc,raspberrypython/lxc,aeris/lxc,JohnPeacockMessageSystems/lxc,ksperis/lxc,sapun/lxc,hkjolhede/lxc,ecarrara/lxc,GreatFruitOmsk/lxc,efiop/lxc,ysbnim/lxc,ss1h2a3tw/lxc,hkjolhede/lxc,rldleblanc/lxc,codebauss/lxc,cjwatson/lxc,rldleblanc/lxc,szaszg/lxc,regit/lxc,yubo/lxc,ioops/lxc,bmoar/lxc,rowhit/lxc,bostjan/lxc,ss1h2a3tw/lxc,armcc/lxc,thmo/lxc,Pelagicore/lxc,caglar10ur/lxc,QingweiPeterLan/cs188-lxc,tych0/lxc,tych0/lxc,fwilson42/lxc,ecarrara/lxc,virajs/lxc,thmo/lxc,christiaan/lxc,rldleblanc/lxc,szaszg/lxc,jirislaby/lxc,ioops/lxc,ioops/lxc,JohnPeacockMessageSystems/lxc,GreatFruitOmsk/lxc,raspberrypython/lxc,bostjan/lxc,Ponce/lxc,federicobriata/lxc,Distrotech/lxc,regit/lxc,hfuCN/lxc,cjwatson/lxc,Ponce/lxc,lazy404/lxc,hkjolhede/lxc,raspberrypython/lxc,akshaykarle/lxc,hallyn/lxc,yubo/lxc,federicobriata/lxc,QingweiPeterLan/cs188-lxc,lazy404/lxc,DarknessBeforeDawn/lxc,armcc/lxc,sapun/lxc,lisongmin/lxc