subscriber work

Subscription.cpp

@@ -21,7 +21,7 @@ namespace core
       out << "cancel:" << id << std::endl;
       for (auto subscriber : subscribers)
       {
-         subscriber->write(out.str(), NULL);
+         subscriber->write(out.str());
       }
    }
 
@@ -62,7 +62,7 @@ namespace core
    int Subscription::event(std::stringstream &out)
    {
       for (auto subscriber = subscribers.begin(); subscriber < subscribers.end(); ++subscriber)
-         (*subscriber)->write(out.str(), NULL);
+         (*subscriber)->write(out.str());
       return 1;
    }