msxml3: Correctly test the variant returned by get_nodeValue.

[Huw Davies]

Found by Valgrind.
---
 dlls/msxml3/tests/domdoc.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 7382f69a3b9a51194162cf1c921f3fa7ea01f6cc.diff
Type: text/x-patch
Size: 1106 bytes
Desc: not available
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20091209/f63e0235/attachment.bin>