change ZMQ_STREAM_NOTIFY to default to 1

doc/zmq_setsockopt.txt

@@ -725,7 +725,7 @@ message when a peer connects or disconnects.
 [horizontal]
 Option value type:: int
 Option value unit:: 0, 1
-Default value:: 0
+Default value:: 1
 Applicable socket types:: ZMQ_STREAM
 
 

src/options.cpp

@@ -58,7 +58,7 @@ zmq::options_t::options_t () :
     invert_matching(false),
     recv_identity (false),
     raw_socket (false),
-    raw_notify (false),
+    raw_notify (true),
     tcp_keepalive (-1),
     tcp_keepalive_cnt (-1),
     tcp_keepalive_idle (-1),