smbd: Fix an error return in change_dir_owner_to_parent

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Richard Sharpe <realrichardsharpe@gmail.com>

Autobuild-User(master): Richard Sharpe <sharpe@samba.org>
Autobuild-Date(master): Mon Apr 15 18:05:06 CEST 2013 on sn-devel-104
Add a test that shows the difference between Windows and Samba with respect to DeleteOnClose.

Signed-off-by: Richard Sharpe <realrichardsharpe@gmail.com>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Apr 16 00:46:54 CEST 2013 on sn-devel-104