Make fsfs dump converter smarter about props-only directory changes.
Make fsfs dump converter smarter about props-only directory changes.

* libsvn_fs_fs/make-revs.c
  (struct entry): Add children_changed field.
  (new_entry, copy_entry): Initialize children_changed to FALSE.
  (get_child, new_revision_record, new_node_record): Set
   children_changed to TRUE when creating a new directory or when
   modifying a directory's children.
  (write_entry, dump_txn_node_rev): Don't update directory text rep if
   children_changed isn't set.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion