message: Fix incorrect allocation not allowing space for pathname
diff: int WINAPI wWinMain(_In_ HINSTANCE hInst, _In_opt_ HINSTANCE hPrevInstance, _In_ LPWSTR lpCmdLine,
  _In_ int nShowCmd)
  {
  - size_t len = wcslen(lpCmdLine) + 64;
  + size_t len = 512 + wcslen(lpCmdLine) + 64;
  wchar_t *paramsAlloc = new wchar_t[len + 1];
  