call_other() auf this_object() ausgebaut.

Dafuer einen Prototyp angelegt.

Change-Id: I58b199c16bff5fc673fe56653b9a7de93ee1cf2f
diff --git a/sys/player/comm.h b/sys/player/comm.h
index 803b319..5839576 100644
--- a/sys/player/comm.h
+++ b/sys/player/comm.h
@@ -78,6 +78,7 @@
 
 protected void status_report(int type, mixed val);
 protected void _notify(string msg, string action);
+static void modify_prompt();
 
 #endif // __PLAYER_COMM_H_PROTO__