message: [terminal] Fixes compile error wrt fmtlib-use.
diff: @@ -371,7 +371,7 @@ struct formatter<terminal::LineFlags>
  s += mapping.second;
  }
  }
  - return format_to(ctx.out(), s);
  + return format_to(ctx.out(), "{}", s);
  }
  };
  } // namespace fmt
  