driver/rcinput.cpp: add missing sleep, sub, pos keys

Origin commit data
------------------
Commit: 65bd112d78
Author: [CST] Focus <focus.cst@gmail.com>
Date: 2013-03-06 (Wed, 06 Mar 2013)

src/driver/rcinput.cpp

@@ -1511,7 +1511,13 @@ const char * CRCInput::getSpecialKeyName(const unsigned int key)
 			case RC_analog_off:
 				return "analog off";
 			case RC_www:
-				return "window print";
+				return "www";
+			case RC_sub:
+				return "sub";
+			case RC_pos:
+				return "pos";
+			case RC_sleep:
+				return "sleep";
 			default:
 				printf("unknown key: %d (0x%x) \n", key, key);
 				return "unknown";