msxml4: Prefer to use the native version

[Alistair Leslie-Hughes]

>>
> What specific features are your referring? msxml3 isn't complete and has
> a lot of problems, but it's considered as ready,
> it's enough for msxml4 to just forward to it. If there's a real problem
> let's add another forward (as DOMDocument40 already does).
>>

After some more investigate the crash is caused by
fixme:msxml:domdoc_setProperty Unknown property L"SelectionNamespaces"
XPath error : Undefined namespace prefix
xmlXPathEval: evaluation failed

Which is already covered by a bug already.

Best Regards
  Alistair Leslie-Hughes