smbd: Replace a 0-timeout wakeup_send

A tevent_immediate is simpler and is what we want here.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
smbd: Simplify new_break_message_smb1

There's no point in allocating a fixed length array that we throw away
immediately after use.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Tue Aug 20 14:35:21 CEST 2013 on sn-devel-104