d5f0868 LDAP: Fix off-by-one error when saving ghost users

Authored and Committed by jhrozek 11 years ago
    LDAP: Fix off-by-one error when saving ghost users
    
    The ldb_val's length parameter should not include the terminating NULL.
    This was causing funky behaviour as the users were saved as binary
    attributes.
    
    https://fedorahosted.org/sssd/ticket/1614