[1.0.X] Fixed #10002: inline file uploads now correctly display prior data....

[1.0.X] Fixed #10002: inline file uploads now correctly display prior data. Thanks, dgouldin. Backport of r10588 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10589 bcc190cf-cafb-0310-a4f2-bffc1f526a37