message: COMP: reflect mint API changes to PIC test
  This is a temporary commit to get the code to compile while
  re-working the mint API.
diff: @@ -1286,7 +1286,7 @@ TEST_F(PointInCell2DTest, pic_curved_quad_c_shaped_output_mesh)
  // Setup linear mint mesh to approximate our mesh
  const int res = 25;
  - int ext[4] = { 0,res,0,res};
  + axom::mint::int64 ext[4] = { 0,res,0,res};
  axom::mint::CurvilinearMesh cmesh(2, ext);
  {
  @@ -1316,9 +1316,9 @@ TEST_F(PointInCell2DTest, pic_curved_quad_c_shaped_output_mesh)
  SLIC_INFO("Mesh has " << numCells << " cells.");
  std::string name = "query_status";
  - axom::mint::FieldData* CD = cmesh.getCellFieldData();
  - CD->addField( new axom::mint::FieldVariable< int >(name, numCells ) );
  - int* fld = CD->getField( name )->getIntPtr();
  + axom::mint::FieldData& CD = cmesh.getCellFieldData();
  + CD.addField( new axom::mint::FieldVariable< int >(name, numCells ) );
  + int* fld = CD.getField( name )->getIntPtr();
  for(int i=0 ; i < res ; ++i)
  {
  