Fix virtual/override/final usage in Source/platform/.

Source/platform/audio/EqualPowerPanner.h

Index: Source/platform/audio/EqualPowerPanner.h
diff --git a/Source/platform/audio/EqualPowerPanner.h b/Source/platform/audio/EqualPowerPanner.h
index 04646e670abca318a22a723f990e593b7965726c..418dd8c7ca858efd29ee2e46e311d81ef1239dd7 100644
--- a/Source/platform/audio/EqualPowerPanner.h
+++ b/Source/platform/audio/EqualPowerPanner.h
@@ -35,12 +35,12 @@ class PLATFORM_EXPORT EqualPowerPanner final : public Panner {
 public:
     EqualPowerPanner(float sampleRate);
 
-    virtual void pan(double azimuth, double elevation, const AudioBus* inputBus, AudioBus* outputBuf, size_t framesToProcess) override;
+    void pan(double azimuth, double elevation, const AudioBus* inputBus, AudioBus* outputBuf, size_t framesToProcess) override;
 
-    virtual void reset() override { m_isFirstRender = true; }
+    void reset() override { m_isFirstRender = true; }
 
-    virtual double tailTime() const override { return 0; }
-    virtual double latencyTime() const override { return 0; }
+    double tailTime() const override { return 0; }
+    double latencyTime() const override { return 0; }
 
 private:
     // For smoothing / de-zippering