[PATCH] xaudio2: Don't return XAudio28 interface for XAudio2[0..7] objects in QueryInterface()

[Roger Zoellner]

Fixes bug
https://bugs.winehq.org/show_bug.cgi?id=43660
(DOS2 classic client is affected as well)

In this specific case, the bug is caused by a call to QueryInterface inside bink2w64.dll, which then
will treat a precreated XAudio27 object as XAudio28. This leads to a crash.

This fix may affect other games, that use BINK2, too.

Signed-off-by: Roger Zoellner <zoellner.roger at gmail.com>
---
 dlls/xaudio2_7/xaudio_dll.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/xaudio2_7/xaudio_dll.c b/dlls/xaudio2_7/xaudio_dll.c
index 28cf98565b..461ac56ffe 100644
--- a/dlls/xaudio2_7/xaudio_dll.c
+++ b/dlls/xaudio2_7/xaudio_dll.c
@@ -1262,7 +1262,9 @@ static HRESULT WINAPI IXAudio2Impl_QueryInterface(IXAudio2 *iface, REFIID riid,
     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppvObject);
 
     if(IsEqualGUID(riid, &IID_IUnknown) ||
+#if XAUDIO2_VER == 8
             IsEqualGUID(riid, &IID_IXAudio28) ||
+#endif
             IsEqualGUID(riid, &IID_IXAudio2))
         *ppvObject = &This->IXAudio2_iface;
     else if(IsEqualGUID(riid, &IID_IXAudio27)){
-- 
2.19.0