msxml3: Avoid SysStringLen() testing for an empty string in ::createNode()

[Reece Dunn]

On 13 June 2010 20:46, Nikolay Sivov <nsivov at codeweavers.com> wrote:
> On 6/13/2010 22:55,  (Marvin) wrote:
>>
>> Hi,
>>
>> While running your changed tests on Windows, I think I found new failures.
>> Being a bot and all I'm not very good at pattern recognition, so I might
>> be
>> wrong, but could you please double-check?
>> Full results can be found at
>> http://testbot.winehq.org/JobDetails.pl?Key=2617
>>
>> Your paranoid android.
>>
>>
>> === WNT4WSSP6 (32 bit domdoc) ===
>> domdoc.c:2743: Test failed: CoCreateInstance(CLSID_XMLHTTPRequest) should
>> have succeeded instead of failing with 0x80040154
>
> This is not related to my patch obviously, a sporadic failure it seems.

msxml3 is not present on NT4, so CLSID_XMLHTTPRequest is not
registered. This does not fail on the test page, as the msxml3 tests
are skipped when msxml3.dll is not present.

It would probably be better to issue a win_skip in this instance, but
it is not relevant to your change.

- Reece