To insert to associateive STL containers value_type used instead of make_pair

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

src/ctx.cpp

@@ -247,8 +247,8 @@ int zmq::ctx_t::register_endpoint (const char *addr_,
 {
     endpoints_sync.lock ();
 
-    bool inserted = endpoints.insert (std::make_pair (std::string (addr_),
-        socket_)).second;
+    bool inserted = endpoints.insert (endpoints_t::value_type (
+        std::string (addr_), socket_)).second;
     if (!inserted) {
         errno = EADDRINUSE;
         endpoints_sync.unlock ();

src/pgm_receiver.cpp

@@ -179,7 +179,7 @@ void zmq::pgm_receiver_t::in_event ()
         //  New peer. Add it to the list of know but unjoint peers.
         if (it == peers.end ()) {
             peer_info_t peer_info = {false, NULL};
-            it = peers.insert (std::make_pair (*tsi, peer_info)).first;
+            it = peers.insert (peers_t::value_type (*tsi, peer_info)).first;
         }
 
         //  Read the offset of the fist message in the current packet.

src/socket_base.cpp

@@ -562,7 +562,7 @@ bool zmq::socket_base_t::register_session (const blob_t &name_,
 {
     sessions_sync.lock ();
     bool registered = sessions.insert (
-        std::make_pair (name_, session_)).second;
+        sessions_t::value_type (name_, session_)).second;
     sessions_sync.unlock ();
     return registered;
 }

src/xrep.cpp

@@ -56,7 +56,7 @@ void zmq::xrep_t::xattach_pipes (reader_t *inpipe_, writer_t *outpipe_,
 
         //  TODO: What if new connection has same peer identity as the old one?
         outpipe_t outpipe = {outpipe_, true};
-        bool ok = outpipes.insert (std::make_pair (
+        bool ok = outpipes.insert (outpipes_t::value_type (
             peer_identity_, outpipe)).second;
         zmq_assert (ok);