Use functools.reduce() in difflib instead of __builtin__.reduce() to silence
warnings when running under -3.
diff --git a/Misc/NEWS b/Misc/NEWS
index 60a783d..a59b661 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -60,11 +60,11 @@
 
 - Changed code in the following modules/packages to remove warnings raised
   while running under the ``-3`` flag: aifc, asynchat, asyncore, bdb, bsddb,
-  ConfigParser, cookielib, DocXMLRPCServer, email, filecmp, fileinput, inspect,
-  logging, modulefinder, pdb, pickle, profile, pstats, pydoc, re, rlcompleter,
-  SimpleXMLRPCServer, shelve, socket, subprocess, sqlite3, tarfile, Tkinter,
-  test.test_support, textwrap, threading, tokenize, traceback, urlparse,
-  wsgiref, xml, xmlrpclib.
+  ConfigParser, cookielib, difflib, DocXMLRPCServer, email, filecmp, fileinput,
+  inspect, logging, modulefinder, pdb, pickle, profile, pstats, pydoc, re,
+  rlcompleter, SimpleXMLRPCServer, shelve, socket, subprocess, sqlite3,
+  tarfile, Tkinter, test.test_support, textwrap, threading, tokenize,
+  traceback, urlparse, wsgiref, xml, xmlrpclib.
 
 - Issue #3039: Fix tarfile.TarFileCompat.writestr() which always
   raised an AttributeError.