log when there is nothing to rename
log when there is nothing to rename

Signed-off-by: Alex Ley <2a41ee6808353e326aa27bd06454adf5fa8981ab@pivotal.io>

shinji62/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,ryheena/rabbitmq,ryheena/rabbitmq,pivotal-cf/cf-rabbitmq-release,shinji62/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release