Merge pull request #689 from mozilla/hotfix/688

hotfix PR #688

Author: johnshaughnessy

lib/ret/hub.ex

@@ -655,13 +655,15 @@ defmodule Ret.Hub do
       host = RoomAssigner.get_available_host(hub.host)
 
       if host && host != hub.host do
-        hub |> changeset_for_new_host(host) |> Repo.update!()
+        updated_hub = hub |> changeset_for_new_host(host) |> Repo.update!()
 
         RetWeb.Endpoint.broadcast("hub:" <> hub.hub_sid, "host_changed", %{
           host: host,
           port: Hub.janus_port(),
           turn: Hub.generate_turn_info()
         })
+
+        updated_hub
       else
         hub
       end