message: Fix cast on 32-bit build
diff: @@ -124,7 +124,7 @@ public:
  return ret;
  }
  - size_t get_size() override { return sizeof(size_t) == 8 ? get_uint64() : get_uint(); }
  + size_t get_size() override { return sizeof(size_t) == 8 ? (size_t)get_uint64() : get_uint(); }
  private:
  const uint32_t *m_Cur;
  const uint32_t *m_Start;
  