bgpd, lib, vtysh: hook up bgp VPNv6 CLI node

Signed-off-by: Lou Berger <lberger@labn.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/lib/vty.c b/lib/vty.c
index 9f4d8fa..f695b72 100644
--- a/lib/vty.c
+++ b/lib/vty.c
@@ -737,6 +737,7 @@
     case BABEL_NODE:
     case BGP_NODE:
     case BGP_VPNV4_NODE:
+    case BGP_VPNV6_NODE:
     case BGP_IPV4_NODE:
     case BGP_IPV4M_NODE:
     case BGP_IPV6_NODE: