--- embedaddon/quagga/lib/linklist.h	2013/07/21 23:54:39	1.1.1.3
+++ embedaddon/quagga/lib/linklist.h	2016/11/02 10:09:11	1.1.1.4
@@ -68,6 +68,7 @@ extern void list_free (struct list *);
 extern void listnode_add (struct list *, void *);
 extern void listnode_add_sort (struct list *, void *);
 extern void listnode_add_after (struct list *, struct listnode *, void *);
+extern void listnode_move_to_tail (struct list *, struct listnode *);
 extern void listnode_delete (struct list *, void *);
 extern struct listnode *listnode_lookup (struct list *, void *);
 extern void *listnode_head (struct list *);
@@ -112,6 +113,7 @@ extern void list_add_list (struct list *, struct list 
 #define LISTNODE_ATTACH(L,N) \
   do { \
     (N)->prev = (L)->tail; \
+    (N)->next = NULL; \
     if ((L)->head == NULL) \
       (L)->head = (N); \
     else \