[Bug 29574] Ajax example fails with unspecified error (IE8)

http://bugs.winehq.org/show_bug.cgi?id=29574

--- Comment #10 from [e-mail] 2012-01-09 16:23:13 CST ---
003e:trace:msxml:httprequest_open (0x33ab6e8)->(L"GET"
L"http://www.w3schools.com/ajax/ajax_info.txt" {VT_BOOL: ffffffff})

Why that's not {VT_BOOL: 0} when async is false?

Example works if set This->async=VARIANT_FALSE;