$OpenBSD$
Unbreak compilation of some VA_STATUS_ERROR_UNKNOWN users.

Index: va/va.h
--- va/va.h.orig
+++ va/va.h
@@ -210,7 +210,7 @@ typedef int VAStatus;	/** Return status type from func
 #define VA_STATUS_ERROR_HW_BUSY	                0x00000022
 /** \brief An unsupported memory type was supplied. */
 #define VA_STATUS_ERROR_UNSUPPORTED_MEMORY_TYPE 0x00000024
-#define VA_STATUS_ERROR_UNKNOWN			0xFFFFFFFF
+#define VA_STATUS_ERROR_UNKNOWN			0xFFFFFFFFU
 
 /** De-interlacing flags for vaPutSurface() */
 #define VA_FRAME_PICTURE        0x00000000 
