Added D3DERR_COLORKEYATTACHED and DDGDI_GETHOSTIDENTIFIER.

include/ddraw.h

diff --git a/include/ddraw.h b/include/ddraw.h
index f9a0d73..cf93f8d 100644
--- a/include/ddraw.h
+++ b/include/ddraw.h
@@ -1175,6 +1175,8 @@
 
 #define MAX_DDDEVICEID_STRING          512
 
+#define DDGDI_GETHOSTIDENTIFIER 1
+
 typedef struct tagDDDEVICEIDENTIFIER {
   char    szDriver[MAX_DDDEVICEID_STRING];
   char    szDescription[MAX_DDDEVICEID_STRING];