sys/netinet6/in6_ifattach.c expects int but is size_t

[reed%reedmedia.net@localhost]

Building HEAD failed on my amd64 system (using build.sh).

cc1: warnings being treated as errors
/usr/src/sys/netinet6/in6_ifattach.c: In function 'getifp':
/usr/src/sys/netinet6/in6_ifattach.c:903: warning: format '%d' expects 
type 'int', but argument 4 has type 'size_t'

Here is my patch:

Index: sys/netinet6/in6_ifattach.c
===================================================================
RCS file: /cvsroot/src/sys/netinet6/in6_ifattach.c,v
retrieving revision 1.83
diff -u -r1.83 in6_ifattach.c
--- sys/netinet6/in6_ifattach.c 13 Aug 2009 00:34:04 -0000      1.83
+++ sys/netinet6/in6_ifattach.c 14 Aug 2009 04:19:50 -0000
@@ -899,7 +899,7 @@
        if (ifindex2ifnet == NULL)
                printf("%s: no ifindices in use\n", __func__);
        else if (ifindex >= if_indexlim) {
-               printf("%s: ifindex %d >= limit %d\n", __func__, ifindex,
+               printf("%s: ifindex %d >= limit %lu\n", __func__, ifindex,
                    if_indexlim);
        } else if ((ifp = ifindex2ifnet[ifindex]) == NULL)
                printf("%s: ifindex %d not in use\n", __func__, ifindex);