Fixed #10774: accessing form media types in templates (i.e. ``{{ form.media.js...

Fixed #10774: accessing form media types in templates (i.e. ``{{ form.media.js }}``) now works. Thanks, tarequeh and Alex Gaynor.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10489 bcc190cf-cafb-0310-a4f2-bffc1f526a37