xB: fix up the special IPC command's name

To reflect the new disorder.

plugins/xB/calc

@@ -77,7 +77,7 @@
         (substring line 0 (- len 1)) line))))
 
 (define (get-config name)
-  (send "ZYKLONB get_config :" name)
+  (send "XB get_config :" name)
   (car (message-params (parse-message (get-line-crlf irc-input-port)))))
 
 (define (extract-nick prefix)
@@ -216,7 +216,7 @@
 ; --- Main loop ----------------------------------------------------------------
 
 (define prefix (get-config "prefix"))
-(send "ZYKLONB register")
+(send "XB register")
 
 (define (process msg)
   (when (string-ci=? (message-command msg) "PRIVMSG")