[An extra null pointer check is not needed](https://stackoverflow.com/questions/18775608/free-a-null-pointer-anyway-or-check-first "Free a null pointer anyway or check first?") in [a function like “statsd_finalize”](https://github.com/romanbsd/statsd-c-client/blob/0bfa3d59e29ad7eff332c9e2506a23d311ff8db4/statsd-client.c#L82 "Update candidate: statsd_finalize()").
