s3-winbindd: fix fallback to ncacn_np in cm_connect_lsat().

s3-winbindd: fix fallback to ncacn_np in cm_connect_lsat().

Fallback to lsa named-pipe connection when tcp connection has failed twice (it
could be a trusted domain connection where we cannot setup a secure channel).

Guenther

BUG: https://bugzilla.samba.org/show_bug.cgi?id=9615
BUG: https://bugzilla.samba.org/show_bug.cgi?id=9899

Signed-off-by: Günther Deschner <gd@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Tested-by: Christof Schmitt <christof.schmitt@us.ibm.com>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Tue Aug 13 20:55:33 CEST 2013 on sn-devel-104

Autobuild-User(v4-0-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-0-test): Tue Aug 20 12:58:03 CEST 2013 on sn-devel-104