user32: Unlike RedrawWindow, UpdateWindow doesn't accept a NULL hwnd +tests (try 2)

[Dmitry Timoshkov]

Louis Lenders <xerox_xerox2000 at yahoo.co.uk> wrote:

> +    SetLastError(0xdadadada);
> +    retval = UpdateWindow(NULL);
> +    ok( !retval, "Expected 0, got %d\n", retval);
> +    ok( GetLastError() == ERROR_INVALID_WINDOW_HANDLE || broken(GetLastError() == 0xdadadada) /* win9x */, "Expected ERROR_INVALID_WINDOW_HANDLE, got %d\n", GetLastError());

It's better to use a commonly accepted 0xdeadbeef as an invalid last error
value, and limit the line length somewhere at 80.

-- 
Dmitry.