[1.2.X] Fixed #13963 -- Use the correct verbose name of a reverse relation...

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

Backport from trunk (r14244).

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14245 bcc190cf-cafb-0310-a4f2-bffc1f526a37