* subversion/libsvn_fs_x/transaction.c
  (create_new_txn_noderev_from_rev): Simplify using the specialized txn
                                     root node ID creation API.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1568800 13f79535-47bb-0310-9956-ffa450edef68