spec: Fix DB spec types of foreign keys
spec: Fix DB spec types of foreign keys

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

techtonik/lxd,Skarlso/lxd,yura-pakhuchiy/lxd,hallyn/lxd,rrva/lxd,basvanbeek/lxd,jsavikko/lxd,erikmack/lxd,lxc/lxd,akshaykarle/lxd,erikmack/lxd,lxc/lxd,ollie314/lxd,sl1pm4t/lxd,smoser/lxd,yura-pakhuchiy/lxd,stgraber/lxd,hallyn/lxd,hallyn/lxd,Skarlso/lxd,tych0/lxd,stgraber/lxd,smoser/lxd,smoser/lxd,achanda/lxd,akshaykarle/lxd,rrva/lxd,rcj4747/lxd,Malizor/lxd,jumpstarter-io/lxd,pcdummy/lxd,chrisglass/lxd,lxc/lxd,georghopp/lxd,achanda/lxd,lxc/lxd,ericsnowcurrently/lxd,jensg-st/lxd,mikemccracken/lxd,sl1pm4t/lxd,jensg-st/lxd,hallyn/lxd,Malizor/lxd,beni55/lxd,hallyn/lxd,dvbportal/osx-lxd,hallyn/lxd,stgraber/lxd,basvanbeek/lxd,benaryorg/lxd,Malizor/lxd,jsavikko/lxd,chrisglass/lxd,atxwebs/lxd,ericsnowcurrently/lxd,georghopp/lxd,jumpstarter-io/lxd,mikemccracken/lxd,mjeanson/lxd,stgraber/lxd,akshaykarle/lxd,ollie314/lxd,techtonik/lxd,jumpstarter-io/lxd,rcj4747/lxd,basvanbeek/lxd,sl1pm4t/lxd,beni55/lxd,lxc/lxd,atxwebs/lxd,jensg-st/lxd,pcdummy/lxd,mjeanson/lxd,beni55/lxd,lxc/lxd,rcj4747/lxd,dustinkirkland/lxd,tych0/lxd,Skarlso/lxd,mjeanson/lxd,stgraber/lxd,erikmack/lxd,benaryorg/lxd,dvbportal/osx-lxd,ollie314/lxd,techtonik/lxd,benaryorg/lxd,ericsnowcurrently/lxd,yura-pakhuchiy/lxd,Skarlso/lxd,mikemccracken/lxd,dustinkirkland/lxd,atxwebs/lxd,rrva/lxd,jsavikko/lxd,dvbportal/osx-lxd,georghopp/lxd,lxc/lxd,pcdummy/lxd,stgraber/lxd,tych0/lxd,achanda/lxd,atxwebs/lxd,chrisglass/lxd,stgraber/lxd,dustinkirkland/lxd