Relevant BUGIDs: #3035919, #3002340, #3037155

Relevant BUGIDs: #3035919, #3002340, #3037155

Purpose of commit: bugfix

Commit summary:
---------------

2010-08-04  Thorsten Kukuk  <kukuk@thkukuk.de>

        * modules/pam_access/pam_access.c (user_match): Make sure
        that user@host will not match @@netgroup. Bug #3035919.

        * modules/pam_group/pam_group.c (check_account): Add '%' for
        UNIX groups.
        * modules/pam_group/group.conf: Add example for '%'.
        * modules/pam_group/group.conf.5.xml: Document '%' syntax.
        Bug #3002340, #3037155.