[zebra] MTU is unsigned

The MTU data in the netlink message is always unsigned 32 bits.
Don't use integer.

diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index 05254498776974a5cd148a1934a3c2c62e7ad570..03df28c1a4d90f7615b956def0e11829815b6002 100644 (file)
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -469,7 +469,7 @@ netlink_interface (struct sockaddr_nl *snl, struct nlmsghdr *h)
   ifp = if_get_by_name (name);
   set_ifindex(ifp, ifi->ifi_index);
   ifp->flags = ifi->ifi_flags & 0x0000fffff;
-  ifp->mtu6 = ifp->mtu = *(int *) RTA_DATA (tb[IFLA_MTU]);
+  ifp->mtu6 = ifp->mtu = *(uint32_t *) RTA_DATA (tb[IFLA_MTU]);
   ifp->metric = 1;
 
   /* Hardware type and address. */