message: Expected::check_exit() now always shows line_info if it fails
diff: @@ -103,7 +103,12 @@ namespace vcpkg
  private:
  void exit_if_error(const LineInfo& line_info) const
  {
  - Checks::check_exit(line_info, !m_s.has_error(), m_s.to_string());
  + // This is used for quick value_or_exit() calls, so always put line_info in the error message.
  + Checks::check_exit(line_info,
  + !m_s.has_error(),
  + "Failed at [%s] with message:\n%s",
  + line_info.to_string(),
  + m_s.to_string());
  }
  ErrorHolder<S> m_s;
  