Close gzip reader when done.
Close gzip reader when done.

Signed-off-by: Haoming Zhang <a9b4b7f2d06338ba4ec292f5dcf83874da180f3e@gmail.com>
michelleN/deployment-manager,adamreese/helm,bacongobbler/helm,helm/helm,adamreese/helm,michelleN/deployment-manager,bacongobbler/helm,helm/helm,michelleN/deployment-manager,michelleN/deployment-manager