fix build on mpc85xx
fix build on mpc85xx

Initialize ret to 0 so compiler no longer complains about
monitor.c: In function 'lxc_monitor_open':
monitor.c:212:5: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]

https://github.com/openwrt/packages/issues/1356

Signed-off-by: Daniel Golle <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@makrotopia.org>

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