remove stdcxx namespace and use std directly
diff --git a/contrib/zeromq/TZmqServer.cpp b/contrib/zeromq/TZmqServer.cpp
index 4df6c92..88660a3 100644
--- a/contrib/zeromq/TZmqServer.cpp
+++ b/contrib/zeromq/TZmqServer.cpp
@@ -21,7 +21,7 @@
 #include <thrift/transport/TBufferTransports.h>
 #include <boost/scoped_ptr.hpp>
 
-using apache::thrift::stdcxx::shared_ptr;
+using apache::thrift::std::shared_ptr;
 using apache::thrift::transport::TMemoryBuffer;
 using apache::thrift::protocol::TProtocol;