Minor whitespace fix

update.sh

@@ -29,7 +29,7 @@ declare -A otherRepos=(
 	[centos]='https://github.com/CentOS/sig-cloud-instance-images'
 	[cirros]='https://github.com/ewindisch/docker-cirros'
 	[clojure]='https://github.com/Quantisan/docker-clojure'
-        [consul]='https://github.com/hashicorp/docker-consul'
+	[consul]='https://github.com/hashicorp/docker-consul'
 	[crate]='https://github.com/crate/docker-crate'
 	[crux]='https://github.com/therealprologic/docker-crux'
 	[debian]='https://github.com/tianon/docker-brew-debian'