[1.0.X] Fixed #9291 -- Tweaked a piece of example code slightly to set a good

example for others (now uses an encoding that is guaranteed to work for XML
consumers).

Backport r9133 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9137 bcc190cf-cafb-0310-a4f2-bffc1f526a37