--- duration.cpp.orig 2016-06-30 09:41:58 UTC
+++ duration.cpp
@@ -1,5 +1,3 @@
-using namespace std;
-
#include <stdlib.h>
#include "duration.h"
@@ -19,6 +17,8 @@ using namespace std;
#include <algo.h>
#endif
#endif
+
+using namespace std;
Duration_Base::Duration_Base()
: m_start(0.0)