fix segfault on quit

src/main.rs

@@ -140,16 +140,16 @@ fn main() {
                     .create_statistics(&game_core, draw_handle.get_time());
                 game_core.progress.update(&new_progress);
 
-                // For now, just quit
-                // This also throws a SEGFAULT.. yay for unsafe code..
-                unsafe {
-                    raylib::ffi::CloseWindow();
-                }
+                // Break the render loop
+                break;
             }
 
             game_core.switch_state(new_state, Some(&draw_handle));
         }
 
+        // Feed the audio engine
+        // audio_system.update();
+
         // Feed the profiler
         // This only runs in the dev profile.
         #[cfg(debug_assertions)]