s3-smbd: reset protocol in smbXsrv_connection_init_tables failure paths.

s3-smbd: reset protocol in smbXsrv_connection_init_tables failure paths.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11373

Guenther

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Michael Adam <obnox@samba.org>

Signed-off-by: Guenther Deschner <gd@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(v4-1-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-1-test): Sun Jul 19 22:23:18 CEST 2015 on sn-devel-104