netlink plugin: Fix an incorrect format string.

diff --git a/src/netlink.c b/src/netlink.c
index e54365d..d6288e9 100644 (file)
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -362,7 +362,7 @@ static int qos_filter (const struct sockaddr_nl *sa,
   if (msg->tcm_ifindex >= iflist_len)
   {
     ERROR ("netlink plugin: qos_filter: msg->tcm_ifindex = %i "
-       ">= iflist_len = %i",
+       ">= iflist_len = %zu",
        msg->tcm_ifindex, iflist_len);
     return (-1);
   }