Uninitialised FSM state in REQ session fixed (issue 278)

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

src/req.cpp

@@ -141,7 +141,8 @@ zmq::req_session_t::req_session_t (io_thread_t *io_thread_, bool connect_,
       socket_base_t *socket_, const options_t &options_,
       const char *protocol_, const char *address_) :
     xreq_session_t (io_thread_, connect_, socket_, options_, protocol_,
-        address_)
+        address_),
+    state (identity)
 {
 }