// @brief A TRDCalibration fitting component for the HLT.
//
-#if __GNUC__ >= 3
-using namespace std;
-#endif
-
#include "TTree.h"
#include "TFile.h"
#include "TBranch.h"
#include <cerrno>
#include <string>
+using namespace std;
+
ClassImp(AliHLTTRDCalibFitComponent);
AliHLTTRDCalibFitComponent::AliHLTTRDCalibFitComponent()