ip: make 'ip l' be 'ip link'

Restore compatiablity for those lazy typists.
diff --git a/ip/ip.c b/ip/ip.c
index 7b4bacb..20dc3b5 100644
--- a/ip/ip.c
+++ b/ip/ip.c
@@ -72,8 +72,8 @@
 	{ "neighbour",	do_ipneigh },
 	{ "ntable",	do_ipntable },
 	{ "ntbl",	do_ipntable },
-	{ "l2tp",	do_ipl2tp },
 	{ "link",	do_iplink },
+	{ "l2tp",	do_ipl2tp },
 	{ "tunnel",	do_iptunnel },
 	{ "tunl",	do_iptunnel },
 	{ "tuntap",	do_iptuntap },