msxml3: Don't format xml output if we should be preserving whitespace.

[Marvin]

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=12283

Your paranoid android.


=== W2KPROSP4 (32 bit domdoc) ===
domdoc.c:9104: Test failed: got L"<root><foo><bar/></foo></root>", expected <root>

=== WXPPROSP3 (32 bit domdoc) ===
domdoc.c:9104: Test failed: got L"<root><foo><bar/></foo></root>", expected <root>

=== W2K3R2SESP2 (32 bit domdoc) ===
domdoc.c:9104: Test failed: got L"<root><foo><bar/></foo></root>", expected <root>

=== WVISTAADM (32 bit domdoc) ===
domdoc.c:9104: Test failed: got L"<root><foo><bar/></foo></root>", expected <root>

=== W2K8SE (32 bit domdoc) ===
domdoc.c:9104: Test failed: got L"<root><foo><bar/></foo></root>", expected <root>

=== W7PRO (32 bit domdoc) ===
domdoc.c:9104: Test failed: got L"<root><foo><bar/></foo></root>", expected <root>