call_other() auf this_object() ausgebaut.

Change-Id: If31738b7783b74168d10a15c6af0a8e037d92d05
diff --git a/items/seil.c b/items/seil.c
index 8483405..880d022 100644
--- a/items/seil.c
+++ b/items/seil.c
@@ -50,10 +50,10 @@
  }
 
  if (tied_to_ob)
-  return this_object()->Name(WER)+", "+artikel+" an "
+  return Name(WER)+", "+artikel+" an "
      + (tied_name?tied_name:(string)(tied_to_ob->name(WEM)))
      + " festgebunden ist";
- return (string)this_object()->Name(WER);
+ return Name(WER);
 
 }
 
@@ -148,7 +148,7 @@
   /* Is he carrying the rope ? */
   if (environment() == this_player()) 
   {
-   this_object()->move(environment(this_player()));
+   move(environment(this_player()));
   }
 
   tied_to_ob = ob;