Add CONNECTION values to spec and header.

Missing CONNECTION values in encoding and header file.

randr.h

@@ -124,4 +124,8 @@ typedef unsigned short	XRandrMonitor;
 #define RR_DoubleClock		0x00001000
 #define RR_ClockDivideBy2	0x00002000
 
+#define RR_Connected		0
+#define RR_Disconnected		1
+#define RR_UnknownConnection	2
+
 #endif	/* _RANDR_H_ */

randrproto.txt

@@ -1162,7 +1162,13 @@ A.1 Common Types
 	0x00001000	DoubleClock
 	0x00002000	ClockDivideBy2
 └───
-    
+┌───
+    CONNECTION
+	0		Connected
+	1		Disconnected
+	2		UnknownConnection
+└───
+
 A.2 Protocol Requests
 
 Opcodes 1 and 3 were used in the 0.0 protocols, and will return