Fix compile.
diff --git a/ospf6d/ospf6_snmp.c b/ospf6d/ospf6_snmp.c
index ae88a9f..3e8770d 100644
--- a/ospf6d/ospf6_snmp.c
+++ b/ospf6d/ospf6_snmp.c
@@ -372,7 +372,7 @@
   int offsetlen;
   char a[16], b[16], c[16];
   struct ospf6_area *oa;
-  listnode node;
+  struct listnode *node;
 
   memset (&area_id, 0, sizeof (struct in_addr));
   type = 0;