Fixed #1635 -- Admin-site related-object popup no longer fails for edit_inline...

Fixed #1635 -- Admin-site related-object popup no longer fails for edit_inline objects in IE/Win. Thanks, Christopher Lenz

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3066 bcc190cf-cafb-0310-a4f2-bffc1f526a37