message: Use std::move to avoid a copy
diff: @@ -242,7 +242,7 @@ namespace vcpkg
  expected<SourceParagraph> source_paragraph = try_load_port(path);
  if (auto srcpgh = source_paragraph.get())
  {
  - output.emplace_back(*srcpgh);
  + output.emplace_back(std::move(*srcpgh));
  }
  else
  {
  