Function get_preferred_locales Copy item path

let locales = [sdl2::locale::Locale {
  lang: "en".to_string(),
  country: Some("US".to_string()),
}];

sdl2::hint::set_preferred_locales(&locales);

let preferred_locales = sdl2::locale::get_preferred_locales().collect::<Vec<_>>();
assert_eq!(preferred_locales, locales);