Implemented registry change notifications.

diff --git a/include/winnt.h b/include/winnt.h
index 0b38b73..77a1eca 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -3360,7 +3360,10 @@
 #define REG_OPENED_EXISTING_KEY	0x00000002
 
 /* For RegNotifyChangeKeyValue */
-#define REG_NOTIFY_CHANGE_NAME	0x1
+#define REG_NOTIFY_CHANGE_NAME       0x01
+#define REG_NOTIFY_CHANGE_ATTRIBUTES 0x02
+#define REG_NOTIFY_CHANGE_LAST_SET   0x04
+#define REG_NOTIFY_CHANGE_SECURITY   0x08
 
 #define KEY_QUERY_VALUE		0x00000001
 #define KEY_SET_VALUE		0x00000002