Typfix in RemoveItem()

Change-Id: I070f8ce00c515393b3df47fd1cf9d8183e9abbcf
diff --git a/std/container/items.c b/std/container/items.c
index a8c8465..282ebcc 100644
--- a/std/container/items.c
+++ b/std/container/items.c
@@ -202,7 +202,7 @@
 
 public void RemoveItem(string|string* filename)
 {
-  < <int|<string|string*>|object>* >* items=QueryProp(P_ITEMS);
+  < <int|<string|string*>|object|mapping>* >* items=QueryProp(P_ITEMS);
 
   if(!pointerp(items) || !sizeof(items))
   {