Small adaptational patch for python 2.3

[Shun-ichi Goto]

Recent TicketDeletePlugin (r1415) is not work with python 2.3 due to lack of function sorted(). There's a patch.

ticketdelete/web_ui.py

@@ -3 +3 @@
 from trac import __version__ as TRAC_VERSION
 from trac.core import *
 from trac.ticket.model import Ticket
+from trac.util import sorted
 from trac.web.api import IRequestFilter
 from trac.web.chrome import ITemplateProvider, add_script, add_stylesheet
 from webadmin.web_ui import IAdminPageProvider

---

BTW, I got error entering this tikcet as user logged in to TracHack

Traceback (most recent call last):
 File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 356,
in dispatch_request
   dispatcher.dispatch(req)
 File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 224,
in dispatch
   resp = chosen_handler.process_request(req)
 File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line
127, in process_request
   self._do_create(req, db)
 File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line
188, in _do_create
   self._validate_ticket(req, ticket)
 File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line
66, in _validate_ticket
   for field, message in manipulator.validate_ticket(req, ticket):
 File "build/bdist.linux-i686/egg/tracspamfilter/adapters.py", line
39, in validate_ticket
 File "build/bdist.linux-i686/egg/tracspamfilter/api.py", line 78, in test
 File "build/bdist.linux-i686/egg/tracspamfilter/filters/regex.py",
line 39, in test
TypeError: expected string or buffer

[Noah Kantrowitz]

(In [1542]) Add compat for Python 2.3 (fixes #852).