Update
diff --git a/nlsr.h b/nlsr.h
index 8576165..d9cc410 100644
--- a/nlsr.h
+++ b/nlsr.h
@@ -15,7 +15,8 @@
 	struct name_prefix *neighbor;
 	int face;
 	int status;
-	int lsdb_version;
+	int last_lsdb_version;
+	struct hashtb *lsa_update_queue;
 };
 
 struct nlsr
@@ -52,4 +53,7 @@
 void add_adjacent_to_adl(struct ndn_neighbor *nbr);
 void print_adjacent_from_adl(void);
 
+
+void nlsr_destroy( void );
+
 #endif