remove stdcxx namespace and use std directly
diff --git a/contrib/zeromq/test-server.cpp b/contrib/zeromq/test-server.cpp
index baa1451..e6f1b20 100644
--- a/contrib/zeromq/test-server.cpp
+++ b/contrib/zeromq/test-server.cpp
@@ -2,7 +2,7 @@
 #include "TZmqServer.h"
 #include "Storage.h"
 
-using apache::thrift::stdcxx::shared_ptr;
+using apache::thrift::std::shared_ptr;
 using apache::thrift::TProcessor;
 using apache::thrift::server::TZmqServer;
 using apache::thrift::server::TZmqMultiServer;