qcap: Remove superfluous pointer casts.
diff --git a/dlls/qcap/capturegraph.c b/dlls/qcap/capturegraph.c
index b858762..7294d5d 100644
--- a/dlls/qcap/capturegraph.c
+++ b/dlls/qcap/capturegraph.c
@@ -78,9 +78,9 @@
/*
converts This to an interface pointer
*/
-#define _IUnknown_(This) (IUnknown*)&(This->lpVtbl2)
-#define _ICaptureGraphBuilder_(This) (ICaptureGraphBuilder*)&(This->lpVtbl)
-#define _ICaptureGraphBuilder2_(This) (ICaptureGraphBuilder2*)&(This->lpVtbl2)
+#define _IUnknown_(This) (&(This)->lpVtbl2)
+#define _ICaptureGraphBuilder_(This) (&(This)->lpVtbl)
+#define _ICaptureGraphBuilder2_(This) ((ICaptureGraphBuilder2*)&(This)->lpVtbl2)
IUnknown * CALLBACK QCAP_createCaptureGraphBuilder2(IUnknown *pUnkOuter,