mtodd/geoip — pull request #11 by keyist (2012-09-20 06:43:52+00:00)
Title: Fix for segfaults when GeoIP has no region_name result

To replicate segfault:

```ruby
GeoIP::City.new('/path/to/GeoLiteCity.dat').look_up('121.7.1.1')
```

with the database downloaded from `http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz`

(md5sum at time of writing: `6ed8c46880fc5579392375fbc5efa375`)