message: Fix warning: comparison of integers of different signs
diff: @@ -29,7 +29,7 @@ TEST(Alignment, NaturalAlignment) {
  logged = true;
  }
  const auto ptrval = reinterpret_cast<uintptr_t>(ptr);
  - ASSERT_EQ(ptrval % alignment, 0);
  + ASSERT_EQ(ptrval % alignment, 0UL);
  ptrs[i] = ptr;
  }
  for (size_t i = 0; i <= 256; i++) {
  