fib: Fix the display (or lack of) for fib node types in dependent children lists

Type: fix

When registering a new FIB node type, no name was required on the API, and so no name was printed.

Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I8a99cf29c194637a550061b0a5e9782ffe8b31dd
diff --git a/src/vnet/ipip/sixrd.c b/src/vnet/ipip/sixrd.c
index c6c855d..3fb7b52 100644
--- a/src/vnet/ipip/sixrd.c
+++ b/src/vnet/ipip/sixrd.c
@@ -505,7 +505,8 @@
 
   sixrd_adj_delegate_type =
     adj_delegate_register_new_type (&sixrd_adj_delegate_vft);
-  sixrd_fib_node_type = fib_node_register_new_type (&sixrd_fib_node_vft);
+  sixrd_fib_node_type =
+    fib_node_register_new_type ("sixrd", &sixrd_fib_node_vft);
 
   return error;
 }