[PATCH 0/1] MR9279: msxml3: Fix use-after-free of dom attributes.

[Yuxuan Shui (＠yshui)]

In domelem_removeAttributeNode, we call xmlRemoveProp if attributeNode is NULL. Doing this frees the
xmlNodePtr, leaving a dangling pointer. Which later in domattr_Release causes a use-after-free.

Found by ASan.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9279