constParameter False Positive on reference that gets changed elsewhere

[Steve Albright]

style: constParameter - Parameter 'widget' can be declared with const

#include <QDialog>
#include <QWidget>

class ViewWidget: public QWidget
{
public:
   explicit ViewWidget(QWidget& wid)
   {
      wid.setEnabled(false);
      wid.setAttribute(Qt::WA_DeleteOnClose);
   }
};

class ViewDialog: public QDialog
{
public:
   explicit ViewDialog(QWidget& widget)
   {
      new ViewWidget(widget); // deleted on close gets set
   }
};