File libmxp.changes of Package libmxp

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Mon Mar  4 06:32:11 UTC 2024 - Yasuhiko Kamata <belphegor@belbel.or.jp>

- Added missing .changes in order to build successfully
  in Tumbleweed ("source_date_epoch_from_changelog set but
  %changelog is missing" error occur if not exist).
- There is no record of changes so far...