same old

kern/synchprobs/traffic_synch.c

@@ -234,7 +234,7 @@ void intersection_before_entry(Direction origin, Direction destination)
     }
     else
     {
-      kprintf("skipped %d because it was null\n");
+      kprintf("skipped %d because it was null\n", i);
       continue;
     }
   }