Replace slots with Q_SLOTS

src/analyzer/analyzercontainer.h

@@ -57,7 +57,7 @@ class AnalyzerContainer : public QWidget {
   void mouseReleaseEvent(QMouseEvent *e) override;
   void wheelEvent(QWheelEvent *e) override;
 
- private slots:
+ private Q_SLOTS:
   void ChangeAnalyzer(const int id);
   void ChangeFramerate(int new_framerate);
   void DisableAnalyzer();

src/analyzer/boomanalyzer.h

@@ -47,7 +47,7 @@ class BoomAnalyzer : public AnalyzerBase {
   void transform(Scope &s) override;
   void analyze(QPainter &p, const Scope &scope, const bool new_frame) override;
 
- public slots:
+ public Q_SLOTS:
   void changeK_barHeight(int);
   void changeF_peakSpeed(int);