Add to the documentation that QSocketNotifier does not work with stdin on Windows

#include <QCoreApplication>
#include <QFile>
#include <QSocketNotifier>
#include <QDebug>

class StdinReader: public QObject
{
    Q_OBJECT
public:
    StdinReader();
public slots:
    void ReadData(int socket);
private:
    QFile *file;
    QSocketNotifier *notifier;
};

StdinReader::StdinReader()
{
   file = new QFile(this);
   qDebug() <<  file->open(stdin,QIODevice::ReadOnly);
   notifier = new QSocketNotifier(file->handle(),QSocketNotifier::Read,this);
   qDebug() << notifier->isEnabled();
   connect(notifier, SIGNAL(activated(int)), this, SLOT(ReadData(int)));
}

void StdinReader::ReadData(int socket)
{
    notifier->setEnabled(false);
    QString string(file->readLine());
    qDebug() << "socket " << socket << " read the message " << string;
    notifier->setEnabled(true);
}

#include "main.moc"

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);
    StdinReader manager;
    app.exec();
}