message: Fixed missing template which was lost during rebasing
diff: @@ -194,6 +194,7 @@ GKO_INSTANTIATE_FOR_EACH_VALUE_AND_INDEX_TYPE(
  GKO_DECLARE_CSR_CONVERT_TO_SELLP_KERNEL);
  +template <typename ValueType, typename IndexType>
  void convert_to_ell(std::shared_ptr<const OmpExecutor> exec,
  matrix::Ell<ValueType, IndexType> *result,
  const matrix::Csr<ValueType, IndexType> *source)
  