Conform to 'okok' message protocol.

HP JetDirect related parameters should be added to the message in future.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7655 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/print/transports/hp_jetdirect/print_transport.cpp

@@ -57,6 +57,7 @@ extern "C" _EXPORT BDataIO * init_transport(BMessage *msg)
 
 			if (transport->Ready()) {
 				g_transport = transport;
+				msg->what = 'okok';
 				return g_transport;
 			};