In the AgentCircuitData of HG users, set the last name to include the port

E.g., instead of "first.last @grid.example.com", the name is now "first.last @grid.example.com:8002"

OpenSim/Services/HypergridService/GatekeeperService.cs

@@ -430,7 +430,7 @@ namespace OpenSim.Services.HypergridService
                 try
                 {
                     Uri uri = new Uri(aCircuit.ServiceURLs["HomeURI"].ToString());
-                    aCircuit.lastname = "@" + uri.Host; // + ":" + uri.Port;
+                    aCircuit.lastname = "@" + uri.Authority;
                 }
                 catch
                 {