Remove usage of evil list and listnode typedefs.
diff --git a/zebra/zserv.c b/zebra/zserv.c
index 96d6f53..f57fe5c 100644
--- a/zebra/zserv.c
+++ b/zebra/zserv.c
@@ -726,8 +726,8 @@
 static void
 zread_interface_add (struct zserv *client, u_short length)
 {
-  listnode ifnode;
-  listnode cnode;
+  struct listnode *ifnode;
+  struct listnode *cnode;
   struct interface *ifp;
   struct connected *c;
 
@@ -1540,7 +1540,7 @@
        "Zebra information"
        "Client information")
 {
-  listnode node;
+  struct listnode *node;
   struct zserv *client;
 
   for (node = listhead (zebrad.client_list); node; nextnode (node))