propagate @:hlNative to abstract implementation classes

src/typing/typeload.ml

@@ -212,7 +212,7 @@ let module_pass_1 ctx m tdecls loadp =
 				(match !decls with
 				| (TClassDecl c,_) :: _ ->
 					List.iter (fun m -> match m with
-						| ((Meta.Build | Meta.CoreApi | Meta.Allow | Meta.Access | Meta.Enum | Meta.Dce | Meta.Native | Meta.JsRequire | Meta.PythonImport | Meta.Expose | Meta.Deprecated | Meta.PhpGlobal),_,_) ->
+						| ((Meta.Build | Meta.CoreApi | Meta.Allow | Meta.Access | Meta.Enum | Meta.Dce | Meta.Native | Meta.HlNative | Meta.JsRequire | Meta.PythonImport | Meta.Expose | Meta.Deprecated | Meta.PhpGlobal),_,_) ->
 							c.cl_meta <- m :: c.cl_meta;
 						| _ ->
 							()