Fixing a compilation error

Dependencies

• [2] GHO6DWPI Refactoring iterators
• [3] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [4] I52XSRUH Massive cleanup, and simplification
• [5] BXD3IQYN Fixing --features git
• [6] CCLLB7OI Upgrading to Sanakirja 0.15 + version bump

Change contents

• replacement in libpijul/src/lib.rs at line 98
  [3.60252]→[2.59713:59813](∅→∅)
  − Base32, ChangeId, ChannelRef, ChannelTxnT, DepsTxnT, EdgeFlags, GraphTxnT, Hash, Inode, Merkle,
  [3.60252]

  [2.59813]
  + Base32, ChangeId, ChannelMutTxnT, ChannelRef, ChannelTxnT, DepsTxnT, EdgeFlags, GraphTxnT, Hash, Inode, Merkle,