veyron/lib/netstate: Add "wsh" as recognized protocol in IsIPProtocol.

Change-Id: Ie1e72de980124a61086a5042c491e8955a6c1d1c
diff --git a/lib/netstate/netstate.go b/lib/netstate/netstate.go
index fbc9940..2cbb35b 100644
--- a/lib/netstate/netstate.go
+++ b/lib/netstate/netstate.go
@@ -222,7 +222,7 @@
 // network/protocol values for IP.
 func IsIPProtocol(n string) bool {
 	switch n {
-	case "ip+net", "ip", "tcp", "tcp4", "tcp6", "udp":
+	case "ip+net", "ip", "tcp", "tcp4", "tcp6", "udp", "wsh":
 		return true
 	default:
 		return false