fix FFT test when OPAL and/or Musr modules are not compiled

auto-tuning/testFFT.cpp

@@ -4,8 +4,6 @@
 
 #include "Utility/TimeStamp.h"
 #include "DKSFFT.h"
-#include "DKSOPAL.h"
-#include "DKSBaseMuSR.h"
 
 using namespace std;
 
@@ -49,7 +47,7 @@ int main(int argc, char *argv[]) {
 
   /* init DKSBase */
   cout << "Init device and set function" << endl;
-  DKSBaseMuSR base;
+  DKSFFT base;
   base.setAPI(api_name, strlen(api_name));
   base.setDevice(device_name, strlen(device_name));
   cout << "init device" << endl;