[PATCH] strmbase: Don't cast from COM object to interface

[Michael Stefaniuc]

Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>
---
 dlls/strmbase/transform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/strmbase/transform.c b/dlls/strmbase/transform.c
index e03874b7d6..fdecc8d0d1 100644
--- a/dlls/strmbase/transform.c
+++ b/dlls/strmbase/transform.c
@@ -351,9 +351,9 @@ HRESULT strmbase_transform_create(LONG filter_size, IUnknown *outer, const CLSID
     return E_FAIL;
 }
 
-HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *iface, IBaseFilter *sender, Quality qm)
+HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *filter, IBaseFilter *sender, Quality qm)
 {
-    return QualityControlImpl_Notify((IQualityControl*)iface->qcimpl, sender, qm);
+    return QualityControlImpl_Notify(&filter->qcimpl->IQualityControl_iface, sender, qm);
 }
 
 static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
-- 
2.20.1