Fixed #13963 -- Use the correct verbose name of a reverse relation field in...

Fixed #13963 -- Use the correct verbose name of a reverse relation field in the admin. Thanks, sfllaw and d0ugal.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14244 bcc190cf-cafb-0310-a4f2-bffc1f526a37