eigrpd: Write eigrp config even if no network statements yet

Let's write the eigrp config even if we have no network statements
as that the other functions return safely if nothing to do here.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

eigrpd/eigrp_vty.c

@@ -191,9 +191,6 @@ static int config_write_eigrp_router(struct vty *vty, struct eigrp *eigrp)
 
 	write++;
 
-	if (!eigrp->networks)
-		return write;
-
 	/* Router ID print. */
 	if (eigrp->router_id_static != 0) {
 		struct in_addr router_id_static;