message: Fixed warning in the file.
  Removed the warning from the file.
diff: @@ -86,7 +86,7 @@ int DynamicBuffer::WriteToBuffer(char** buffer) {
  // Set offset of strings.
  int32_t start = sizeof(int32_t) * (num_strings + 2);
  - for (int i = 0; i < offset_.size(); i++) {
  + for (size_t i = 0; i < offset_.size(); i++) {
  int32_t offset = start + offset_[i];
  memcpy(*buffer + sizeof(int32_t) * (i + 1), &offset, sizeof(int32_t));
  }
  