Replace signals with Q_SIGNALS

src/radios/radiobackend.h

@@ -46,7 +46,7 @@ class RadioBackend : public QObject {
   void GetChannels();
   void DeleteChannels();
 
- signals:
+ Q_SIGNALS:
   void NewChannels(const RadioChannelList &channels);
   void ExitFinished();
 

src/radios/radioservice.h

@@ -53,7 +53,7 @@ class RadioService : public QObject {
   virtual QUrl Homepage() = 0;
   virtual QUrl Donate() = 0;
 
- signals:
+ Q_SIGNALS:
   void NewChannels(const RadioChannelList &channels = RadioChannelList());
 
  public slots:

src/radios/radioview.h

@@ -42,7 +42,7 @@ class RadioView : public AutoExpandingTreeView {
   void showEvent(QShowEvent *e) override;
   void contextMenuEvent(QContextMenuEvent *e) override;
 
- signals:
+ Q_SIGNALS:
   void GetChannels();
 
  private slots:

src/radios/radioviewcontainer.h

@@ -37,7 +37,7 @@ class RadioViewContainer : public QWidget {
 
   RadioView *view() const { return ui_->view; }
 
- signals:
+ Q_SIGNALS:
   void Refresh();
 
  private: