BUG: running without any argument casues a segmentation fault

[pcmoore]

Example below:

# ./getpeercon_server -h
usage: ./getpeercon_server [-h] [-l <logfile>] <port|path>
# ./getpeercon_server
Segmentation fault (core dumped)

Head commit is 3efbb8e.

[pcmoore]

Fixed in 760fde8.