hexorx/countries — pull request #158 by Davidslv (2014-06-26 17:14:23+00:00)
Title: Avoids defining the COUNTRIES constant again if already defined.

This should not harm the gem in anyway, its actually to prevent the
following warning:

```shell
countries-0.9.3/lib/iso3166.rb:7: warning: already initialized constant COUNTRIES
```