get_country_name

Retrieves the country name for the given location.

For a `GWEATHER_LOCATION_COUNTRY` location, this is equivalent to [method@GWeather.Location.get_name].

For a `GWEATHER_LOCATION_REGION` and `GWEATHER_LOCATION_WORLD` location, this method will return `NULL`.

For other location levels, this method will find the parent `GWEATHER_LOCATION_COUNTRY` and return its name.

Parameters:

this	a Location

Returns:

the location's country name