Update lang.rs

src/lang.rs

@@ -33,6 +33,7 @@ mod tw;
 mod ua;
 mod vn;
 mod lt;
+mod ar；
 
 pub const LANGS: &[(&str, &str)] = &[
     ("en", "English"),
@@ -133,6 +134,7 @@ pub fn translate_locale(name: String, locale: &str) -> String {
         "sl" => sl::T.deref(),
         "ro" => ro::T.deref(),
         "lt" => lt::T.deref(),
+        "ar" => ar::T.deref(),
         _ => en::T.deref(),
     };
     if let Some(v) = m.get(&name as &str) {