[clang-tidy] use override instead of virtual

Found with modernize-use-override

Signed-off-by: Rosen Penev <rosenp@gmail.com>

src/input/plugins/TidalInputPlugin.cxx

@@ -65,7 +65,7 @@ public:
 		tidal_session->AddLoginHandler(*this);
 	}
 
-	~TidalInputStream() {
+	~TidalInputStream() override {
 		tidal_session->RemoveLoginHandler(*this);
 	}