Revert the early dropping of request and replies for disconnected clients

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

src/xrep.cpp

@@ -35,9 +35,11 @@ zmq::xrep_t::xrep_t (class ctx_t *parent_, uint32_t tid_) :
 {
     options.type = ZMQ_XREP;
 
+    //  TODO: Uncomment the following line when XREP will become true XREP
+    //  rather than generic router socket.
     //  If peer disconnect there's noone to send reply to anyway. We can drop
     //  all the outstanding requests from that peer.
-    options.delay_on_disconnect = false;
+    //  options.delay_on_disconnect = false;
 
     prefetched_msg.init ();
 }

src/xreq.cpp

@@ -27,9 +27,11 @@ zmq::xreq_t::xreq_t (class ctx_t *parent_, uint32_t tid_) :
 {
     options.type = ZMQ_XREQ;
 
+    //  TODO: Uncomment the following line when XREQ will become true XREQ
+    //  rather than generic dealer socket.
     //  If the socket is closing we can drop all the outbound requests. There'll
     //  be noone to receive the replies anyway.
-    options.delay_on_close = false;
+    //  options.delay_on_close = false;
 }
 
 zmq::xreq_t::~xreq_t ()