Fix right-click for DAB audio selection as mentioned on issue #853

plugins/channelrx/demoddab/dabdemodgui.h

@@ -82,7 +82,6 @@ private:
     void displayStreamIndex();
     void addProgramName(const DABDemod::MsgDABProgramName& program);
     bool handleMessage(const Message& message);
-    void audioSelect();
     void leaveEvent(QEvent*);
     void enterEvent(QEvent*);
     void resetService();
@@ -90,6 +89,7 @@ private:
     QAction *createCheckableItem(QString& text, int idx, bool checked);
 
 private slots:
+    void audioSelect();
     void on_deltaFrequency_changed(qint64 value);
     void on_audioMute_toggled(bool checked);
     void on_volume_valueChanged(int value);