message: Updated FlexBuffers fuzzer
diff: #include "flatbuffers/flexbuffers.h"
  extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  - std::vector<bool> reuse_tracker;
  + std::vector<uint8_t> reuse_tracker;
  + // Check both with and without reuse tracker paths.
  flexbuffers::VerifyBuffer(data, size, &reuse_tracker);
  + flexbuffers::VerifyBuffer(data, size, nullptr);
  return 0;
  }
  