remove void* parameter from platform::restart()

src/style/sprite.cpp

@@ -36,7 +36,7 @@ void Sprite::load(const std::string& base_url, float pixelRatio) {
         std::lock_guard<std::mutex> lock(sprite->mtx);
         if (sprite->img.size() && sprite->pos.size()) {
             sprite->loaded = true;
-            platform::restart(NULL);
+            platform::restart();
             fprintf(stderr, "sprite loaded\n");
         }
     };