VS 2012 Update 1 added the possibility to target Windows XP by using a
SDK that is based on the Windows 7 one.
http://blogs.msdn.com/b/vcblog/archive/2012/10/08/10357555.aspx

This patch probably should not be integrated as is, as it disables a
test that fails in this configuration (CppunitTest_connectivity_ado)

Change-Id: I3ba8723882452950c40049ccdc95b04c60862cbf
Reviewed-on: https://gerrit.libreoffice.org/4966Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>