message: Add using for nvcc warnings
diff: @@ -163,6 +163,7 @@ public:
  /// (DEPRECATED) Return a new wrapper SUNDIALS N_Vector of type SUNDIALS_NVEC_PARALLEL.
  /** @deprecated The returned N_Vector must be destroyed by the caller. */
  MFEM_DEPRECATED virtual N_Vector ToNVector();
  + using Vector::ToNVector;
  #endif
  };
  