Fix compilation with namespaced Qt.

src/addnewtorrentdialog.h

@@ -35,9 +35,12 @@
 #include <QUrl>
 #include <libtorrent/torrent_info.hpp>
 
+QT_BEGIN_NAMESPACE
 namespace Ui {
 class AddNewTorrentDialog;
 }
+QT_END_NAMESPACE
+
 class TorrentContentModel;
 class PropListDelegate;
 

src/executionlog.h

@@ -37,8 +37,8 @@ QT_BEGIN_NAMESPACE
 namespace Ui {
     class ExecutionLog;
 }
-class LogListWidget;
 QT_END_NAMESPACE
+class LogListWidget;
 
 class ExecutionLog : public QWidget
 {