remove stdcxx namespace and use std directly
diff --git a/lib/cpp/test/concurrency/RWMutexStarveTest.cpp b/lib/cpp/test/concurrency/RWMutexStarveTest.cpp
index 849e078..985a230 100644
--- a/lib/cpp/test/concurrency/RWMutexStarveTest.cpp
+++ b/lib/cpp/test/concurrency/RWMutexStarveTest.cpp
@@ -23,9 +23,9 @@
#include "thrift/concurrency/Mutex.h"
#include "thrift/concurrency/PosixThreadFactory.h"
-#include <thrift/stdcxx.h>
+#include <memory>
-using apache::thrift::stdcxx::shared_ptr;
+using std::shared_ptr;
using boost::unit_test::test_suite;
using boost::unit_test::framework::master_test_suite;