message: fix a minor warning on windows
diff: @@ -1026,7 +1026,7 @@ Target gather(Source &&source, const Index &index, const Mask &mask_ = true) {
  (size_t) offset, source.size());
  #endif
  // Case 2.0.2: gather<Target>(const FloatP&, size_t, ...)
  - return select(mask, load<Target>((const uint8_t *)source.data() + offset), 0);
  + return select(mask, load<Target>((const uint8_t *)source.data() + offset), Target(0));
  }
  }
  } else if constexpr (array_depth_v<Target> == array_depth_v<Index>) {
  