[1.0.X]: Fixed #9344 -- In the `TemporaryFile` class used by Windows, proxy to...

[1.0.X]: Fixed #9344 -- In the `TemporaryFile` class used by Windows, proxy to the wrapped file object.  Thanks julien and mitsuhiko.

Backport of r10699 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10700 bcc190cf-cafb-0310-a4f2-bffc1f526a37