Clean up some of the Ev2 driver ordering checks. Use macros to make the code more readable.
Clean up some of the Ev2 driver ordering checks. Use macros to make
the code more readable.

No functional change.

* subversion/libsvn_delta/editor.c:
  (SHOULD_NOT_BE_FINISHED, MARK_COMPLETED, SHOULD_NOT_BE_COMPLETED):
    new macros to check or mark off various actions. they are
    functional when ENABLE_ORDERING_CHECK is on, and disabled otherwise
  (...): use new macros

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