Ping is missing the standard double-newline after the event.

(closes issue #13903)
 Reported by: kebl0155


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@156911 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/manager.c

@@ -1107,7 +1107,8 @@ static char mandescr_ping[] =
 static int action_ping(struct mansession *s, const struct message *m)
 {
 	astman_append(s, "Response: Success\r\n"
-			 "Ping: Pong\r\n");
+		"Ping: Pong\r\n"
+		"\r\n");
 	return 0;
 }