message: minor cleanup of PostProcessManager ctor
  make sure all fields are always initialized and the IDE stops
  complaining.
diff: @@ -49,18 +49,22 @@ static_assert(kMaxBloomLevels >= 3, "We require at least 3 bloom levels");
  PostProcessManager::PostProcessMaterial::PostProcessMaterial() noexcept {
  mEngine = nullptr;
  - mData = 0u;
  + mData = nullptr;
  + mMaterial = nullptr; // aliased to mEngine
  + mMaterialInstance = nullptr; // aliased to mData
  }
  PostProcessManager::PostProcessMaterial::PostProcessMaterial(FEngine& engine,
  - uint8_t const* data, int size) noexcept {
  + uint8_t const* data, int size) noexcept
  + : PostProcessMaterial() {
  mEngine = &engine;
  mData = data;
  mSize = size;
  }
  PostProcessManager::PostProcessMaterial::PostProcessMaterial(
  - PostProcessManager::PostProcessMaterial&& rhs) noexcept {
  + PostProcessManager::PostProcessMaterial&& rhs) noexcept
  + : PostProcessMaterial() {
  using namespace std;
  swap(mEngine, rhs.mEngine);
  swap(mData, rhs.mData);
  