Add const to scanline to resolve clang compile issue (#706)
Add const to scanline to resolve clang compile issue (#706)

Co-authored-by: Alex Toumazis <c0bbcd62dd5e3f8d8cd26e8ae163075e1ed8fa7a@alexs-air.lan>
hunspell/hunspell,hunspell/hunspell,hunspell/hunspell,hunspell/hunspell