Fix double-click to open destination path (closes #1020366)

src/transferlistwidget.cpp

@@ -209,7 +209,7 @@ void TransferListWidget::torrentDoubleClicked(const QModelIndex& index) {
     }
     break;
   case OPEN_DEST:
-    QDesktopServices::openUrl(QUrl::fromLocalFile(h.save_path()));
+    QDesktopServices::openUrl(QUrl::fromLocalFile(h.root_path()));
     break;
   }
 }