Forgot to copy segment_user_id in upgrade.go

config/upgrade.go

@@ -28,6 +28,7 @@ func DoUpgrade(helper *up.Helper) {
 	bridgeconfig.Upgrader.DoUpgrade(helper)
 
 	helper.Copy(up.Str|up.Null, "segment_key")
+	helper.Copy(up.Str|up.Null, "segment_user_id")
 
 	helper.Copy(up.Bool, "metrics", "enabled")
 	helper.Copy(up.Str, "metrics", "listen")