provider/gce: Fix a (logic) typo.
provider/gce: Fix a (logic) typo.

howbazaar/juju,waigani/juju,waigani/juju,howbazaar/juju,sinzui/juju,bac/juju,mhilton/juju,alesstimec/juju,cmars/juju,bz2/juju,cherylj/juju,marcmolla/juju,tasdomas/juju,tych0/juju,axw/juju,bac/juju,howbazaar/juju,howbazaar/juju,ericsnowcurrently/juju,dimitern/juju,ericsnowcurrently/juju,ericsnowcurrently/juju,cmars/juju,axw/juju,AdamIsrael/juju,alesstimec/juju,waigani/juju,mhilton/juju-juju,mhilton/juju,anastasiamac/juju,axw/juju,tasdomas/juju,davecheney/juju,bogdanteleaga/juju,davecheney/juju,mhilton/juju-juju,bogdanteleaga/juju,tasdomas/juju,macgreagoir/juju,macgreagoir/juju,reedobrien/juju,fwereade/juju,kat-co/juju,frankban/juju,ericsnowcurrently/juju,fwereade/juju,sinzui/juju,anastasiamac/juju,frankban/juju,perrito666/juju,perrito666/juju,dimitern/juju,sinzui/juju,voidspace/juju,Altoros/juju-cloudsigma,AdamIsrael/juju,macgreagoir/juju,gabriel-samfira/juju,dooferlad/juju,dimitern/juju,macgreagoir/juju,makyo/juju,tsakas/juju,tych0/juju,cherylj/juju,thomnico/juju,davecheney/juju,mhilton/juju,gabriel-samfira/juju,dooferlad/juju,marcmolla/juju,thomnico/juju,frankban/juju,axw/juju,bac/juju,mjs/juju,tsakas/juju,bz2/juju,mikemccracken/juju,mhilton/juju,dimitern/juju,cloud-green/juju,reedobrien/juju,howbazaar/juju,AdamIsrael/juju,reedobrien/juju,makyo/juju,dimitern/juju,frankban/juju-tmp,marcmolla/juju,cherylj/juju,frankban/juju-tmp,waigani/juju,mhilton/juju-juju,mjs/juju,tych0/juju,frankban/juju-tmp,macgreagoir/juju,bz2/juju,dooferlad/juju,perrito666/juju,marcmolla/juju,voidspace/juju,bogdanteleaga/juju,tych0/juju,thomnico/juju,wwitzel3/juju,mhilton/juju-juju,wwitzel3/juju,fwereade/juju,davecheney/juju,mjs/juju,cherylj/juju,anastasiamac/juju,mikemccracken/juju,anastasiamac/juju,dooferlad/juju,bz2/juju,AdamIsrael/juju,gabriel-samfira/juju,perrito666/juju,alesstimec/juju,dooferlad/juju,Altoros/juju-cloudsigma,mjs/juju,makyo/juju,kat-co/juju,thomnico/juju,axw/juju,frankban/juju,gabriel-samfira/juju,ericsnowcurrently/juju,alesstimec/juju,bogdanteleaga/juju,Altoros/juju-cloudsigma,voidspace/juju,bac/juju,gabriel-samfira/juju,fwereade/juju,frankban/juju,kat-co/juju,cmars/juju,sinzui/juju,bz2/juju,tasdomas/juju,mjs/juju,kat-co/juju,tsakas/juju,mikemccracken/juju,cloud-green/juju,makyo/juju,reedobrien/juju,reedobrien/juju,cloud-green/juju,mikemccracken/juju,alesstimec/juju,frankban/juju-tmp,mjs/juju,bac/juju,mikemccracken/juju,voidspace/juju,Altoros/juju-cloudsigma,perrito666/juju,kat-co/juju,tsakas/juju,wwitzel3/juju,cmars/juju,marcmolla/juju,mjs/juju,wwitzel3/juju,cloud-green/juju,anastasiamac/juju