Fix broken donation link. Closes #3771.

src/gui/mainwindow.cpp

@@ -1485,7 +1485,7 @@ void MainWindow::handleUpdateCheckFinished(bool update_available, QString new_ve
 
 void MainWindow::on_actionDonate_money_triggered()
 {
-    QDesktopServices::openUrl(QUrl("http://sourceforge.net/donate/index.php?group_id=163414"));
+    QDesktopServices::openUrl(QUrl("http://www.qbittorrent.org/donate"));
 }
 
 void MainWindow::showConnectionSettings()

src/webui/www/private/index.html

@@ -75,7 +75,7 @@
                         <a class="returnFalse">QBT_TR(&Help)QBT_TR</a>
                         <ul>
                             <li><a id="docsLink" target="_blank" href="http://wiki.qbittorrent.org/"><img class="MyMenuIcon" src="theme/help-contents" alt="QBT_TR(&Documentation)QBT_TR" width="16" height="16" onload="fixPNG(this)"/>QBT_TR(&Documentation)QBT_TR</a></li>
-                            <li class="divider"><a id="bugLink" target="_blank" href="http://sourceforge.net/donate/index.php?group_id=163414"><img class="MyMenuIcon" src="theme/wallet-open" alt="QBT_TR(Do&nate!)QBT_TR" width="16" height="16" onload="fixPNG(this)"/>QBT_TR(Do&nate!)QBT_TR</a></li>
+                            <li class="divider"><a id="bugLink" target="_blank" href="http://www.qbittorrent.org/donate"><img class="MyMenuIcon" src="theme/wallet-open" alt="QBT_TR(Do&nate!)QBT_TR" width="16" height="16" onload="fixPNG(this)"/>QBT_TR(Do&nate!)QBT_TR</a></li>
                             <li><a id="aboutLink"><img class="MyMenuIcon" src="theme/help-about" alt="QBT_TR(&About)QBT_TR" width="16" height="16" onload="fixPNG(this)"/>QBT_TR(&About)QBT_TR</a></li>
                         </ul>
                     </li>