zebra: *addattr should use size_t len args, quell signed v unsigned warning
diff --git a/zebra/zebra_fpm_netlink.c b/zebra/zebra_fpm_netlink.c
index 0173000..96e897b 100644
--- a/zebra/zebra_fpm_netlink.c
+++ b/zebra/zebra_fpm_netlink.c
@@ -322,7 +322,7 @@
 netlink_route_info_encode (netlink_route_info_t *ri, char *in_buf,
 			   size_t in_buf_len)
 {
-  int bytelen;
+  size_t bytelen;
   int nexthop_num = 0;
   size_t buf_offset;
   netlink_nh_info_t *nhi;