Added right Command to events_darwin.go.

events_darwin.go

@@ -107,13 +107,17 @@ var keycodeExtKeys = map[uintptr]ExtKey{
 }
 
 var keycodeModifiers = map[uintptr]Modifiers{
-	0x37:	Ctrl,		// left command (TODO both commands?)
+	0x37:	Ctrl,		// left command
 	0x38:	Shift,		// left shift
 	0x3A:	Alt,		// left option
 //	0x3B:	kVK_Control,
 	0x3C:	Shift,		// right shift
 	0x3D:	Alt,		// right alt
 //	0x3E:	kVK_RightControl,
+
+	// the following is not in Events.h for some reason
+	// thanks to Nicole from irc.badnik.net
+	0x36:	Ctrl,		// right command
 }
 
 func fromKeycode(keycode uintptr) (ke KeyEvent, ok bool) {