fix headercheck for the dumux folder
See merge request !2760 (merged)
(cherry picked from commit edce36d9)
ed561229 fix headercheck for the dumux folder ec7c98bb [examples] include required header
fix headercheck for the dumux folder
See merge request !2760 (merged)
(cherry picked from commit edce36d9)
ed561229 fix headercheck for the dumux folder ec7c98bb [examples] include required header