move fftw_cleanup() into LAMMPS::cleanup()

src/main.cpp

@@ -19,10 +19,6 @@
 #include <fenv.h>
 #endif
 
-#ifdef FFT_FFTW3
-#include <fftw3.h>
-#endif
-
 #if defined(LAMMPS_EXCEPTIONS)
 #include "exceptions.h"
 #endif
@@ -63,18 +59,9 @@ int main(int argc, char **argv)
 #else
   LAMMPS *lammps = new LAMMPS(argc,argv,MPI_COMM_WORLD);
   lammps->input->file();
+  lammps->cleanup();
   delete lammps;
 #endif
   MPI_Barrier(MPI_COMM_WORLD);
   MPI_Finalize();
-
-#ifdef FFT_FFTW3
-  // tell fftw3 to delete its global memory pool
-  // and thus avoid bogus valgrind memory leak reports
-#ifdef FFT_SINGLE
-  fftwf_cleanup();
-#else
-  fftw_cleanup();
-#endif
-#endif
 }