message: Werror=class-memaccess: make gcc8 happy
diff: @@ -110,7 +110,8 @@ struct SkeletalStorage::TImpl : Impl {
  void free(const size_t objId, const size_t bonesCount) override {
  freeList.free(objId, bonesCount);
  auto m = &obj[objId];
  - std::memset(m,0,sizeof(Matrix4x4)*bonesCount);
  + //NOTE: -Werror=class-memaccess in gcc8
  + std::memset(static_cast<void*>(m),0,sizeof(Matrix4x4)*bonesCount);
  }
  void bind(Uniforms& ubo, uint8_t bind, uint8_t fId, size_t id) override {
  