Don't use deprecated torrent_handle::set_tracker_login

src/base/bittorrent/torrenthandle.cpp

@@ -1331,11 +1331,13 @@ void TorrentHandle::moveStorage(const QString &newPath)
     }
 }
 
+#if LIBTORRENT_VERSION_NUM < 10100
 void TorrentHandle::setTrackerLogin(const QString &username, const QString &password)
 {
     m_nativeHandle.set_tracker_login(std::string(username.toLocal8Bit().constData())
                                      , std::string(password.toLocal8Bit().constData()));
 }
+#endif
 
 void TorrentHandle::renameFile(int index, const QString &name)
 {

src/base/bittorrent/torrenthandle.h

@@ -333,7 +333,9 @@ namespace BitTorrent
         void forceReannounce(int index = -1);
         void forceDHTAnnounce();
         void forceRecheck();
+#if LIBTORRENT_VERSION_NUM < 10100
         void setTrackerLogin(const QString &username, const QString &password);
+#endif
         void renameFile(int index, const QString &name);
         bool saveTorrentFile(const QString &path);
         void prioritizeFiles(const QVector<int> &priorities);

src/gui/mainwindow.cpp

@@ -91,7 +91,9 @@
 #include "rss/rsswidget.h"
 #include "about_imp.h"
 #include "optionsdlg.h"
+#if LIBTORRENT_VERSION_NUM < 10100
 #include "trackerlogin.h"
+#endif
 #include "lineedit.h"
 #include "executionlog.h"
 #include "hidabletabwidget.h"
@@ -1311,9 +1313,13 @@ void MainWindow::addUnauthenticatedTracker(const QPair<BitTorrent::TorrentHandle
 // Called when a tracker requires authentication
 void MainWindow::trackerAuthenticationRequired(BitTorrent::TorrentHandle *const torrent)
 {
+#if LIBTORRENT_VERSION_NUM < 10100
     if (m_unauthenticatedTrackers.indexOf(qMakePair(torrent, torrent->currentTracker())) < 0)
         // Tracker login
         new trackerLogin(this, torrent);
+#else
+    Q_UNUSED(torrent);
+#endif
 }
 
 // Check connection status and display right icon

src/gui/trackerlogin.cpp

@@ -28,9 +28,11 @@
  * Contact : chris@qbittorrent.org
  */
 
-#include "base/bittorrent/torrenthandle.h"
 #include "trackerlogin.h"
 
+#include <libtorrent/version.hpp>
+#include "base/bittorrent/torrenthandle.h"
+
 trackerLogin::trackerLogin(QWidget *parent, BitTorrent::TorrentHandle *const torrent)
   : QDialog(parent)
   , m_torrent(torrent)
@@ -47,7 +49,9 @@ trackerLogin::~trackerLogin() {}
 
 void trackerLogin::on_loginButton_clicked() {
   // login
+#if LIBTORRENT_VERSION_NUM < 10100
   m_torrent->setTrackerLogin(lineUsername->text(), linePasswd->text());
+#endif
   close();
 }