add duplicate cmd entries for vlan and vlandev that are marked !clone

so they can be used when not doing a create operation

Reviewed by:	ed

sbin/ifconfig/ifvlan.c

@@ -174,6 +174,9 @@ DECL_CMD_FUNC(unsetvlandev, val, d)
 static struct cmd vlan_cmds[] = {
 	DEF_CLONE_CMD_ARG("vlan",			setvlantag),
 	DEF_CLONE_CMD_ARG("vlandev",			setvlandev),
+	/* NB: non-clone cmds */
+	DEF_CMD_ARG("vlan",				setvlantag),
+	DEF_CMD_ARG("vlandev",				setvlandev),
 	/* XXX For compatibility.  Should become DEF_CMD() some day. */
 	DEF_CMD_OPTARG("-vlandev",			unsetvlandev),
 	DEF_CMD("vlanmtu",	IFCAP_VLAN_MTU,		setifcap),