Do not install smbclient4 and nmblookup4

Change-Id: I2d91d9c9faa2df084321d10fbdc948acbd2bb735
Signed-off-by: Jeroen Dekkers <jeroen@dekkers.ch>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date(master): Tue Apr 15 03:25:13 CEST 2014 on sn-devel-104