Update to the latest version from the Samba Git repository.

Changes from the Samba log:

commit 3a0fa3605b8eb995a8cc4696256129893e1f6f7e
Author: Stefan Metzmacher <metze@samba.org>
Date:   Sat Sep 21 23:46:01 2013 +0200

    pidl:Samba3/ServerNDR: skip DCERPC pipe elements and leave NULL pointers.

    We don't support them anyway, but this lets us adding them to the idl
    file and only ignore it on the server.

    Signed-off-by: Stefan Metzmacher <metze@samba.org>
    Reviewed-by: Andreas Schneider <asn@samba.org>

Change-Id: Idbe742fa13e5d3892343fde2b3943f38a6e90a8c
Reviewed-on: https://code.wireshark.org/review/4313
Reviewed-by: Guy Harris <guy@alum.mit.edu>