Scene fixing

src/engine/engine.c

@@ -53,6 +53,10 @@ errorret_t engineUpdate(void) {
   errorOk();
 }
 
+void engineExit(void) {
+  ENGINE.running = false;
+}
+
 errorret_t engineDispose(void) {
   sceneManagerDispose();
   errorChain(displayDispose());