message: Fix a Qt error setting layout into buffer format specifier
diff: @@ -126,7 +126,7 @@ BufferFormatSpecifier::BufferFormatSpecifier(QWidget *parent)
  formatText->annotationClearAll();
  });
  - QHBoxLayout *hbox = new QHBoxLayout(this);
  + QHBoxLayout *hbox = new QHBoxLayout();
  hbox->setSpacing(0);
  hbox->setContentsMargins(2, 2, 2, 2);
  