Fixing file touched date

Dependencies

• [2] YN63NUZO Sanakirja 1.0
• [3] 27PYHR6L Making the get_latest_touch function (useful to make archives) public in libpijul
• [*] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).

Change contents

• replacement in libpijul/src/fs.rs at line 945
  [2.134012]→[2.134012:134079](∅→∅)
  − if txn.get_touched_files(pos, Some(&p.a))?.is_some() {
  [2.134012]

  [2.134079]
  + let touched = txn.get_touched_files(pos, Some(&p.a))?;

  + if touched == Some(&p.a) {