Replace signals with Q_SIGNALS

src/streaming/streamingcollectionview.h

@@ -83,7 +83,7 @@ class StreamingCollectionView : public AutoExpandingTreeView {
   void SaveFocus();
   void RestoreFocus();
 
- signals:
+ Q_SIGNALS:
   void GetSongs();
   void TotalSongCountUpdated_();
   void TotalArtistCountUpdated_();

src/streaming/streamingsearchview.h

@@ -136,7 +136,7 @@ class StreamingSearchView : public QWidget {
   bool FindCachedPixmap(const Result &result, QPixmap *pixmap) const;
   int LoadAlbumCoverAsync(const Result &result);
 
- signals:
+ Q_SIGNALS:
   void AddToPlaylist(QMimeData*);
   void AddArtistsSignal(const SongList &songs);
   void AddAlbumsSignal(const SongList &songs);

src/streaming/streamingservice.h

@@ -82,7 +82,7 @@ class StreamingService : public QObject {
   virtual void ResetAlbumsRequest() {}
   virtual void ResetSongsRequest() {}
 
- signals:
+ Q_SIGNALS:
   void ExitFinished();
   void RequestLogin();
   void RequestLogout();

src/streaming/streamingservices.h

@@ -55,7 +55,7 @@ class StreamingServices : public QObject {
   void ReloadSettings();
   void Exit();
 
- signals:
+ Q_SIGNALS:
   void ExitFinished();
 
  private slots: