message: Set $LANG env var using languageCode, countryCode
  fixes
  Using logic from
diff: @@ -20,19 +20,22 @@ use std::env;
  use objc::runtime::{Class, Object};
  pub fn set_locale_environment() {
  - let locale_id = unsafe {
  + let (language_code, country_code) = unsafe {
  let locale_class = Class::get("NSLocale").unwrap();
  let locale: *const Object = msg_send![locale_class, currentLocale];
  - let _ : () = msg_send![locale_class, release];
  - let identifier: *const Object = msg_send![locale, localeIdentifier];
  - let _ : () = msg_send![locale, release];
  - let identifier_str = nsstring_as_str(identifier).to_owned();
  - let _ : () = msg_send![identifier, release];
  - identifier_str
  + msg_send![locale_class, release];
  + let language_code: *const Object = msg_send![locale, languageCode];
  + let country_code: *const Object = msg_send![locale, countryCode];
  + msg_send![locale, release];
  + let language_code_str = nsstring_as_str(language_code).to_owned();
  + msg_send![language_code, release];
  + let country_code_str = nsstring_as_str(country_code).to_owned();
  + msg_send![country_code, release];
  + (language_code_str, country_code_str)
  };
  - let locale_id = locale_id + ".UTF-8";
  + let locale_id = format!("{}_{}.UTF-8", &language_code, &country_code);
  env::set_var("LANG", &locale_id);
  - env::set_var("LC_CTYPE", &locale_id);
  + // env::set_var("LC_CTYPE", &locale_id);
  }
  const UTF8_ENCODING: usize = 4;
  