update

src/audio/NoAudio.h

@@ -19,8 +19,8 @@ namespace audio {
             return pcm;
         }
 
-        speakerid_t newInstance(int priority) const override {
-            return 0;
+        Speaker* newInstance(int priority) const override {
+            return nullptr;
         }
     };
 
@@ -37,6 +37,8 @@ namespace audio {
             glm::vec3 up
         ) override {}
 
+        void update(double delta) override {}
+
         static NoAudio* create();
     };
 }