s3-winbind: Fix bug #9052 resolving our own "Domain Local" groups.

s3-winbind: Fix bug #9052 resolving our own "Domain Local" groups.

We don't resolve our own "Domain Local" groups since bug #7843 has been
fixed. So we need to add the add resource groups to the sid list too.

Before bug #7843 the "Domain Local" groups were added with a
lookupuseraliases call, but this isn't done anymore for our domain
so we need to resolve resource groups here.

When to use Resource Groups:
http://technet.microsoft.com/en-us/library/cc753670%28v=WS.10%29.aspx

Signed-off-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Jul 23 22:12:30 CEST 2012 on sn-devel-104