[HashLink] Uncaught exception: Can't cast dynobj to #Foo

code for example:
```haxe
package;

class Main {

static function main() {
Reflect.callMethod({}, new Foo().test, []);
}
}

class Foo {
public function new() {}

public function test() {
trace("test");
}
}
```

Flash - ok
JS - ok
CPP - ok
CS - ok
Java - ok
Neko - ok

HashLink result:
```
Uncaught exception: Can't cast dynobj to #Foo
Called from $Reflect.callMethod(C:\HaxeToolkit\haxe\std/hl/_std/Reflect.hx:85)
Called from $Main.main(Main.hx:6)
Called from fun$337(?:1)
```