Add TAG macro definition.

Modified: trunk/reactos/drivers/net/ndis/include/ndissys.h

--- trunk/reactos/drivers/net/ndis/include/ndissys.h	2005-06-19 08:20:08 UTC (rev 16084)
+++ trunk/reactos/drivers/net/ndis/include/ndissys.h	2005-06-19 08:21:35 UTC (rev 16085)
@@ -47,6 +47,7 @@

 #define EXPORT STDCALL
 #endif
 

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

 #define NDIS_TAG  0x4e4d4953
 
 #ifdef DBG