Merge "zip_writer_test.cc: fix implicit integer truncation"

  std::vector<uint8_t> buffer(kBufSize);

  size_t prev = 1;

  for (size_t i = 0; i < kBufSize; i++) {

    buffer[i] = i + prev;

    buffer[i] = static_cast<uint8_t>(i + prev);

    prev = i;

  }