On the fsx-id branch:
Remove the svn_fs_t parameter from svn_fs_x__create_successor.

* subversion/libsvn_fs_x/transaction.h
  (svn_fs_x__create_successor): Remove the OLD_ID parameter.

* subversion/libsvn_fs_x/transaction.c
  (svn_fs_x__create_successor): Replace the former OLD_ID with the
                                precessor info provided by the noderev.

* subversion/libsvn_fs_x/dag.c
  (svn_fs_x__dag_clone_child,
   svn_fs_x__dag_copy): Update caller.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsx-id@1645858 13f79535-47bb-0310-9956-ffa450edef68