Index: /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVbva.h
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVbva.h	(revision 50777)
+++ /trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVbva.h	(revision 50778)
@@ -130,5 +130,5 @@
 /** @name VBVAEx APIs
  * @{ */
-RTDECL(bool) VBoxVBVAExEnable(PVBVAEXBUFFERCONTEXT pCtx,
+RTDECL(int) VBoxVBVAExEnable(PVBVAEXBUFFERCONTEXT pCtx,
                             PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx,
                             struct VBVABUFFER *pVBVA);