include/rfb: split ARD auth scheme constants

Author: Chapoly1305

include/rfb/rfbproto.h

@@ -300,7 +300,10 @@ typedef char rfbProtocolVersionMsg[13];	/* allow extra byte for null */
 #define rfbTLS 18
 #define rfbVeNCrypt 19
 #define rfbSASL 20
-#define rfbARD 30
+#define rfbARDAuthDH 30
+#define rfbARDAuthRSASRP 33
+#define rfbARDAuthKerberosGSSAPI 35
+#define rfbARDAuthDirectSRP 36
 #define rfbUltraMSLogonI 0x70	/* UNIMPLEMENTED */
 #define rfbUltraMSLogonII 0x71
 #define rfbMSLogon 0xfffffffa