patch 8.2.0547: Win32: restoring screen not always done right Commit: https://github.com/vim/vim/commit/e7f234120f71a75f0c7c2a67e0b70c6450c50a02 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 11 22:38:34 2020 +0200 patch 8.2.0547: Win32: restoring screen not always done right Problem: Win32: restoring screen not always done right. Solution: Use a more appropriate method. (Nobuhiro Takasaki, closes https://github.com/vim/vim/issues/5909)

/^CFLAGS\b/s/$/ -Wall -Wextra -Wshadow -Werror/
/^PERL_CFLAGS\b/s/$/ -Wno-error=unused-function/