shared/json: Debugf() --> LogDebugf()
shared/json: Debugf() --> LogDebugf()

Signed-off-by: Christian Brauner <48455ab3070520a2d174545c7239d6d0fabd9a83@canonical.com>

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