Update indentation for list-controllers
Update indentation for list-controllers

See https://bugs.launchpad.net/juju-core/+bug/1556183 for details.

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