state updated properly

src/engine/net/client/handlers/AcceptSubInviteHandler.java

@@ -97,6 +97,8 @@ public class AcceptSubInviteHandler extends AbstractClientMsgHandler {
         if (nation.getGuildState() == GuildState.Sovereign)
             nation.upgradeGuildState(true);
 
+        nation.getSubGuildList().add(protectorate);
+
         //Let's send the message back.
 
         msg.setUnknown02(1);