- add 'ip rule' support. First take..
   text    data     bss     dec     hex filename
   2999       0       0    2999     bb7 networking/libiproute/iprule.o
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index fc6cf7b..42cf629 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -99,7 +99,7 @@
 }
 
 static int print_linkinfo(struct sockaddr_nl ATTRIBUTE_UNUSED *who,
-		struct nlmsghdr *n, void ATTRIBUTE_UNUSED *arg)
+		const struct nlmsghdr *n, void ATTRIBUTE_UNUSED *arg)
 {
 	FILE *fp = (FILE*)arg;
 	struct ifinfomsg *ifi = NLMSG_DATA(n);