Sound: destructor should be virtual too (#19570)

* destructor should be virtual too

* empty commit, trigger tests
old-commit-hash: a56bbe1671

selfdrive/ui/sound.hpp

@@ -18,6 +18,7 @@ static std::map<AudibleAlert, std::pair<const char *, int>> sound_map {
 
 class Sound {
 public:
+  virtual ~Sound() {}
   virtual bool play(AudibleAlert alert) = 0;
   virtual void stop() = 0;
   virtual void setVolume(int volume) = 0;