prevent setting lxc.logfile in raw.lxc
prevent setting lxc.logfile in raw.lxc

This allows users to read/write from any file on the system, which is a bad
thing.

Signed-off-by: Tycho Andersen <10c18fcb898ee6b17d6575d444b125d10b3f4d6a@canonical.com>

lxc/lxd,stgraber/lxd,atxwebs/lxd,achanda/lxd,mikemccracken/lxd,chrisglass/lxd,dustinkirkland/lxd,stgraber/lxd,Malizor/lxd,chrisglass/lxd,jensg-st/lxd,stgraber/lxd,ollie314/lxd,stgraber/lxd,techtonik/lxd,hallyn/lxd,sl1pm4t/lxd,techtonik/lxd,rcj4747/lxd,Skarlso/lxd,rcj4747/lxd,jsavikko/lxd,mikemccracken/lxd,rrva/lxd,mjeanson/lxd,akshaykarle/lxd,hallyn/lxd,smoser/lxd,benaryorg/lxd,erikmack/lxd,lxc/lxd,dvbportal/osx-lxd,beni55/lxd,hallyn/lxd,Skarlso/lxd,rrva/lxd,lxc/lxd,rrva/lxd,ericsnowcurrently/lxd,hallyn/lxd,erikmack/lxd,rcj4747/lxd,akshaykarle/lxd,ericsnowcurrently/lxd,benaryorg/lxd,basvanbeek/lxd,jensg-st/lxd,lxc/lxd,mjeanson/lxd,dustinkirkland/lxd,pcdummy/lxd,mjeanson/lxd,jensg-st/lxd,dvbportal/osx-lxd,jumpstarter-io/lxd,mikemccracken/lxd,smoser/lxd,dvbportal/osx-lxd,stgraber/lxd,basvanbeek/lxd,Malizor/lxd,erikmack/lxd,beni55/lxd,Skarlso/lxd,chrisglass/lxd,hallyn/lxd,lxc/lxd,lxc/lxd,ollie314/lxd,stgraber/lxd,lxc/lxd,beni55/lxd,ollie314/lxd,smoser/lxd,sl1pm4t/lxd,hallyn/lxd,jumpstarter-io/lxd,georghopp/lxd,jumpstarter-io/lxd,achanda/lxd,jsavikko/lxd,dustinkirkland/lxd,atxwebs/lxd,basvanbeek/lxd,stgraber/lxd,ericsnowcurrently/lxd,atxwebs/lxd,georghopp/lxd,pcdummy/lxd,yura-pakhuchiy/lxd,techtonik/lxd,georghopp/lxd,yura-pakhuchiy/lxd,atxwebs/lxd,jsavikko/lxd,benaryorg/lxd,pcdummy/lxd,sl1pm4t/lxd,Skarlso/lxd,yura-pakhuchiy/lxd,achanda/lxd,Malizor/lxd,akshaykarle/lxd