Remove usage of evil list and listnode typedefs.
diff --git a/ospf6d/ospf6_message.c b/ospf6d/ospf6_message.c
index ae699b9..d4a60dd 100644
--- a/ospf6d/ospf6_message.c
+++ b/ospf6d/ospf6_message.c
@@ -1387,7 +1387,7 @@
   struct ospf6_header *oh;
   struct ospf6_hello *hello;
   char *p;
-  listnode node;
+  struct listnode *node;
   struct ospf6_neighbor *on;
 
   oi = (struct ospf6_interface *) THREAD_ARG (thread);