Fix possible compilation error. Closes #3947.

src/gui/mainwindow.cpp

@@ -1157,7 +1157,7 @@ void MainWindow::loadPreferences(bool configure_session)
     qDebug("GUI settings loaded");
 }
 
-void MainWindow::addUnauthenticatedTracker(const QPair<BitTorrent::TorrentHandle *const, QString> &tracker)
+void MainWindow::addUnauthenticatedTracker(const QPair<BitTorrent::TorrentHandle*, QString> &tracker)
 {
     // Trackers whose authentication was cancelled
     if (unauthenticated_trackers.indexOf(tracker) < 0)
@@ -1167,7 +1167,7 @@ void MainWindow::addUnauthenticatedTracker(const QPair<BitTorrent::TorrentHandle
 // Called when a tracker requires authentication
 void MainWindow::trackerAuthenticationRequired(BitTorrent::TorrentHandle *const torrent)
 {
-    if (unauthenticated_trackers.indexOf(QPair<BitTorrent::TorrentHandle *const, QString>(torrent, torrent->currentTracker())) < 0)
+    if (unauthenticated_trackers.indexOf(qMakePair(torrent, torrent->currentTracker())) < 0)
         // Tracker login
         new trackerLogin(this, torrent);
 }

src/gui/mainwindow.h

@@ -126,7 +126,7 @@ protected slots:
     void on_actionOpen_triggered();
     void updateGUI();
     void loadPreferences(bool configure_session = true);
-    void addUnauthenticatedTracker(const QPair<BitTorrent::TorrentHandle *const, QString> &tracker);
+    void addUnauthenticatedTracker(const QPair<BitTorrent::TorrentHandle*, QString> &tracker);
     void addTorrentFailed(const QString &error) const;
     void finishedTorrent(BitTorrent::TorrentHandle *const torrent) const;
     void askRecursiveTorrentDownloadConfirmation(BitTorrent::TorrentHandle *const torrent);
@@ -164,7 +164,7 @@ private slots:
 private:
     QFileSystemWatcher *executable_watcher;
     // Bittorrent
-    QList<QPair<BitTorrent::TorrentHandle *const, QString> > unauthenticated_trackers; // Still needed?
+    QList<QPair<BitTorrent::TorrentHandle*, QString>> unauthenticated_trackers; // Still needed?
     // GUI related
     bool m_posInitialized;
     QTabWidget *tabs;

src/gui/trackerlogin.cpp

@@ -39,7 +39,7 @@ trackerLogin::trackerLogin(QWidget *parent, BitTorrent::TorrentHandle *const tor
   setAttribute(Qt::WA_DeleteOnClose);
   login_logo->setPixmap(QPixmap(QString::fromUtf8(":/icons/oxygen/encrypted.png")));
   tracker_url->setText(torrent->currentTracker());
-  connect(this, SIGNAL(trackerLoginCancelled(QPair<BitTorrent::TorrentHandle *const, QString>)), parent, SLOT(addUnauthenticatedTracker(QPair<BitTorrent::TorrentHandle *const, QString>)));
+  connect(this, SIGNAL(trackerLoginCancelled(QPair<BitTorrent::TorrentHandle*, QString>)), parent, SLOT(addUnauthenticatedTracker(QPair<BitTorrent::TorrentHandle*, QString>)));
   show();
 }
 
@@ -53,6 +53,6 @@ void trackerLogin::on_loginButton_clicked() {
 
 void trackerLogin::on_cancelButton_clicked() {
   // Emit a signal to GUI to stop asking for authentication
-  emit trackerLoginCancelled(QPair<BitTorrent::TorrentHandle *const, QString>(m_torrent, m_torrent->currentTracker()));
+  emit trackerLoginCancelled(qMakePair(m_torrent, m_torrent->currentTracker()));
   close();
 }

src/gui/trackerlogin.h

@@ -51,7 +51,7 @@ class trackerLogin : public QDialog, private Ui::authentication{
     ~trackerLogin();
 
   signals:
-    void trackerLoginCancelled(QPair<BitTorrent::TorrentHandle *const, QString> tracker);
+    void trackerLoginCancelled(QPair<BitTorrent::TorrentHandle*, QString> tracker);
 
   public slots:
     void on_loginButton_clicked();