oleaut32: Copying a NULL BSTR should result in an empty BSTR in VariantCopy (V2)

[qingdoa daoo]

Hi,

This patch should fix Bug 4141.

This is a simpler version of the previous one.
Thanks to Robert Shearman for reviewing the patch.
The conformance test remain the same.

Changelog:
 Copying a NULL BSTR should result in an empty BSTR in VariantCopy

qingdao33122 at yahoo.com


		
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