add TAG macro

Modified: trunk/reactos/drivers/video/displays/vga/vgaddi.h

--- trunk/reactos/drivers/video/displays/vga/vgaddi.h	2005-06-19 09:48:14 UTC (rev 16087)
+++ trunk/reactos/drivers/video/displays/vga/vgaddi.h	2005-06-19 10:10:34 UTC (rev 16088)
@@ -2,6 +2,8 @@

 #include <ddk/winddi.h>
 #include <ddk/ntddvdeo.h>
 

+#define TAG(A, B, C, D) (ULONG)(((A)<<0) + ((B)<<8) + ((C)<<16) + ((D)<<24))
+

 #define DS_SOLIDBRUSH  0x00000001
 #define DS_GREYBRUSH   0x00000002
 #define DS_BRUSH       0x00000004