message: Add destructor to VectorMass and VectorDiffusion.
diff: @@ -2196,6 +2196,13 @@ public:
  #endif
  }
  + virtual ~VectorMassIntegrator()
  + {
  +#ifdef MFEM_USE_CEED
  + delete ceedDataPtr;
  +#endif
  + }
  +
  int GetVDim() const { return vdim; }
  void SetVDim(int vdim) { this->vdim = vdim; }
  @@ -2591,6 +2598,13 @@ public:
  #endif
  }
  + virtual ~VectorDiffusionIntegrator()
  + {
  +#ifdef MFEM_USE_CEED
  + delete ceedDataPtr;
  +#endif
  + }
  +
  virtual void AssembleElementMatrix(const FiniteElement &el,
  ElementTransformation &Trans,
  DenseMatrix &elmat);
  