Lua: fix table.pack extern

std/lua/Table.hx

@@ -17,6 +17,6 @@ extern class Table<A,B> implements ArrayAccess<B> implements Dynamic<B> {
 	public static function remove<B>(table:Table<Int,B>, ?pos:Int) : Void;
 
 	public static function maxn<B>(table: Table<Int,B>) : Int;
-	public static function pack(args:Dynamic) : Table<Dynamic,Dynamic>;
+	public static function pack<T>(args:T) : Table<Int,T>;
 	public static function unpack(arg:Dynamic) : Dynamic;
 }