patch 8.0.1568: can't build on older Mac, header file is missing commit https://github.com/vim/vim/commit/24fe4758941a5a59669f135e45ea7ec69d16fe9f Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 5 10:54:53 2018 +0100 patch 8.0.1568: can't build on older Mac, header file is missing Problem: Can't build on older Mac, header file is missing. Solution: Remove the header file. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/2691)