message: small fixes for applications
diff: #include "../general/device.hpp"
  #include "../general/table.hpp"
  #include "../general/globals.hpp"
  +#include "../general/cuda.hpp"
  #include "densemat.hpp"
  #ifdef MFEM_USE_CUDA
  @@ -609,7 +610,7 @@ public:
  cusparseDestroySpMat(matA_descr);
  cusparseDestroyDnVec(vecX_descr);
  cusparseDestroyDnVec(vecY_descr);
  - cudaFree(dBuffer);
  + CuMemFree(dBuffer);
  }
  #endif
  }
  