ddraw: Fix the name of DDSPD_IUNKNOWNPOINTER.
diff --git a/include/ddraw.h b/include/ddraw.h
index 0585ee6..4572d08 100644
--- a/include/ddraw.h
+++ b/include/ddraw.h
@@ -251,7 +251,7 @@
 #define DDGFS_ISFLIPDONE	2L
 
 /* dwFlags for IDirectDrawSurface7::SetPrivateData */
-#define DDSPD_IUNKNOWNPTR	1L
+#define DDSPD_IUNKNOWNPOINTER	1L
 #define DDSPD_VOLATILE		2L
 
 /* DDSCAPS.dwCaps */