message: [C++] fix static_cast expression
diff: @@ -1655,7 +1655,7 @@ class FlatBufferBuilder {
  extern T Pack(const S &);
  typedef T (*Pack_t)(const S &);
  std::vector<T> vv(len);
  - std::transform(v, v + len, vv.begin(), static_cast<Pack_t&>(Pack));
  + std::transform(v, v + len, vv.begin(), static_cast<Pack_t>(&Pack));
  return CreateVectorOfStructs<T>(vv.data(), vv.size());
  }
  