Fix OS2 bug.

src/core/feeddownloader.cpp

@@ -22,6 +22,7 @@
 
 #include <QThread>
 #include <QDebug>
+#include <QMetaType>
 
 
 FeedDownloader::FeedDownloader(QObject *parent) : QObject(parent) {

src/gui/notifications/notification.cpp

@@ -98,7 +98,6 @@ void Notification::notify(const QString &text, const QString &title, const QIcon
     argument_list << hints;         // hints
     argument_list << (int)-1;       // timeout in ms
 
-    // TODO: obrazky https://dev.visucore.com/bitcoin/doxygen/notificator_8cpp_source.html
     QDBusMessage response = m_dBusInterface->callWithArgumentList(QDBus::AutoDetect, "Notify", argument_list);
 
     if (response.arguments().size() == 1) {