Add missing column type S(snapshots) in "lxc list --help" column listing
Add missing column type S(snapshots) in "lxc list --help" column listing

Signed-off-by: Janne Savikko <0be792c5f5396feaa7b0d1c211ca6c789a7e5655@aalto.fi>

stgraber/lxd,atxwebs/lxd,mjeanson/lxd,erikmack/lxd,erikmack/lxd,atxwebs/lxd,hallyn/lxd,pcdummy/lxd,stgraber/lxd,akshaykarle/lxd,atxwebs/lxd,hallyn/lxd,techtonik/lxd,mjeanson/lxd,yura-pakhuchiy/lxd,georghopp/lxd,lxc/lxd,lxc/lxd,Skarlso/lxd,stgraber/lxd,erikmack/lxd,jsavikko/lxd,Skarlso/lxd,Skarlso/lxd,lxc/lxd,pcdummy/lxd,atxwebs/lxd,chrisglass/lxd,ollie314/lxd,stgraber/lxd,chrisglass/lxd,hallyn/lxd,hallyn/lxd,chrisglass/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,stgraber/lxd,yura-pakhuchiy/lxd,hallyn/lxd,jsavikko/lxd,techtonik/lxd,stgraber/lxd,Skarlso/lxd,pcdummy/lxd,lxc/lxd,georghopp/lxd,lxc/lxd,akshaykarle/lxd,techtonik/lxd,jsavikko/lxd,akshaykarle/lxd,ollie314/lxd,ollie314/lxd,georghopp/lxd,mjeanson/lxd,lxc/lxd,yura-pakhuchiy/lxd