[1.0.X] Fixed #9399 -- Added StopFutureHandlers to export list in file handling.

Thanks, George Vilches.

Backport of r9992 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9993 bcc190cf-cafb-0310-a4f2-bffc1f526a37