Update cfire.py

[hexrom]

Seems like the port on which the zip files are being served has changed from port 82 to port 83 but the change wasn't done in the cfire.py script. Fixing this line in the code resolves the zip downloading issue.

Location: parser.add_argument('-d', '--updatehost', help='Host serving CrimeFlare files', default='http://crimeflare.net:82/domains')