ip: Fix ip -o link

Commit db169f253854db572c0c2b7e3d74ebbe6afdb97f breaks the "ip -o link"
command, no output is displayed.. Fix by only excluding the link info if
in oneline mode and if the address family is not AF_PACKET.

function                                             old     new   delta
ipaddr_list_or_flush                                1232    1202     -30

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index d088caf..0a1b5d7 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -574,8 +574,8 @@
 	}
 
 	for (l = linfo; l; l = l->next) {
-		if (no_link
-		 || (oneline || print_linkinfo(&l->h) == 0)
+		if ((oneline && G_filter.family != AF_PACKET)
+		 || (print_linkinfo(&l->h) == 0)
 		/* ^^^^^^^^^ "ip -oneline a" does not print link info */
 		) {
 			struct ifinfomsg *ifi = NLMSG_DATA(&l->h);