remove stdcxx namespace and use std directly
diff --git a/lib/cpp/test/processor/ServerThread.cpp b/lib/cpp/test/processor/ServerThread.cpp
index e752d5e..4d1ec4c 100644
--- a/lib/cpp/test/processor/ServerThread.cpp
+++ b/lib/cpp/test/processor/ServerThread.cpp
@@ -130,7 +130,7 @@
   serverState_->bindSuccessful(port_);
 
   // Set the real server event handler (replacing ourself)
-  stdcxx::shared_ptr<server::TServerEventHandler> serverEventHandler
+  std::shared_ptr<server::TServerEventHandler> serverEventHandler
       = serverState_->getServerEventHandler();
   server_->setServerEventHandler(serverEventHandler);