lxdclient: Fix go vet error
lxdclient: Fix go vet error

bz2/juju,bac/juju,anastasiamac/juju,bz2/juju,kat-co/juju,AdamIsrael/juju,howbazaar/juju,macgreagoir/juju,frankban/juju,howbazaar/juju,axw/juju,mjs/juju,dooferlad/juju,dimitern/juju,howbazaar/juju,macgreagoir/juju,waigani/juju,mikemccracken/juju,frankban/juju,mjs/juju,waigani/juju,axw/juju,anastasiamac/juju,bac/juju,mjs/juju,axw/juju,alesstimec/juju,ericsnowcurrently/juju,bac/juju,gabriel-samfira/juju,reedobrien/juju,ericsnowcurrently/juju,makyo/juju,marcmolla/juju,reedobrien/juju,alesstimec/juju,mikemccracken/juju,makyo/juju,perrito666/juju,makyo/juju,gabriel-samfira/juju,waigani/juju,marcmolla/juju,reedobrien/juju,reedobrien/juju,axw/juju,kat-co/juju,mikemccracken/juju,howbazaar/juju,bz2/juju,mjs/juju,frankban/juju,macgreagoir/juju,gabriel-samfira/juju,reedobrien/juju,makyo/juju,ericsnowcurrently/juju,marcmolla/juju,dooferlad/juju,dooferlad/juju,frankban/juju,macgreagoir/juju,macgreagoir/juju,mikemccracken/juju,bogdanteleaga/juju,alesstimec/juju,kat-co/juju,gabriel-samfira/juju,ericsnowcurrently/juju,bac/juju,dooferlad/juju,marcmolla/juju,alesstimec/juju,axw/juju,anastasiamac/juju,ericsnowcurrently/juju,anastasiamac/juju,marcmolla/juju,waigani/juju,perrito666/juju,anastasiamac/juju,AdamIsrael/juju,alesstimec/juju,bogdanteleaga/juju,dimitern/juju,perrito666/juju,dooferlad/juju,dimitern/juju,bogdanteleaga/juju,bogdanteleaga/juju,kat-co/juju,frankban/juju,mikemccracken/juju,dimitern/juju,howbazaar/juju,perrito666/juju,mjs/juju,mjs/juju,AdamIsrael/juju,perrito666/juju,gabriel-samfira/juju,AdamIsrael/juju,bac/juju,mjs/juju,dimitern/juju,bz2/juju,bz2/juju,kat-co/juju