lxc-start-ephemeral: fixed bug with wrong ssh option (-k instead of -i)
lxc-start-ephemeral: fixed bug with wrong ssh option (-k instead of -i)

Corrected ssh option for custom key (from -k to -i). Just see ssh
manpage for justification.

Signed-off-by: Wojciech Izykowski <bc253e7fc102192996fbf7225ae5a22f586c76e3@gmail.com>
Acked-by: Serge E. Hallyn <3df611b026e4639bee8aef7a4beb2e39fcebb313@ubuntu.com>

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