msxml3/domdoc: Partially implement ::setAttributeNode() (try2)

[Nikolay Sivov]

try2: removed a ref count test, it's more complicated apparently

Partially implement ::setAttributeNode()
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: 0001-Partially-implement-setAttributeNode.patch
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20101021/8ba5d78f/attachment.txt>