message: Avoid returning the address of a temporary. Resolves
diff: @@ -103,7 +103,7 @@ namespace vcpkg
  "Expected %s version: [%s], but was [%s]. Please re-run bootstrap-vcpkg.",
  XML_PATH,
  XML_VERSION,
  - match_xml_version[1]);
  + match_xml_version[1].str());
  const std::regex tool_regex{Strings::format(R"###(<tool[\s]+name="%s"[\s]+os="%s">)###", tool, os)};
  std::cmatch match_tool_entry;
  