Revision 1527217

[Reverted in r1597989]

Skip move-related checks and updates in FSFS if moves are not supported.
This minimizes the overhead for existing repositories.

* subversion/libsvn_fs_fs/transaction.c
  (write_final_changed_path_info,
   commit_body): execute fs_move related code only if moves are supported
                 by the current FSFS format