sanity checking: bypassed billed object destroyed

src/shk.c

@@ -2506,6 +2506,8 @@ add_to_billobjs(struct obj* obj)
        in_use by dodrink/dopotion but isn't being be used up yet because
        it stays on the bill; only object sanity checking actually cares */
     obj->in_use = 0;
+    /* ... same for bypass by destroy_item */
+    obj->bypass = 0;
 }
 
 /* recursive billing of objects within containers. */