Add docstrings for with_finalization() and remove its BATON parameter (which erroneously crept into its signature).
Add docstrings for with_finalization() and remove its BATON parameter
(which erroneously crept into its signature).

* subversion/libsvn_wc/wc_db.c:
  (work_callback_t): short docstring
  (with_finalization): add docstring. remove BATON parameter. only run the
    WORK_CB if the transacted work is successful.
  (svn_wc__db_op_set_changelist, svn_wc__db_op_delete,
      svn_wc__db_read_props_streamily): update call to with_finalization()
    to remove the NULL BATON parameter.

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