patch 8.2.3572: memory leak when closing window and using "multispace" Commit: https://github.com/vim/vim/commit/7a33ebfc5b04353aa7674972087d581def8fdcc1 Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Nov 2 20:56:07 2021 +0000 patch 8.2.3572: memory leak when closing window and using "multispace" Problem: Memory leak when closing window and using "multispace" in 'listchars'. Solution: Free the memory. (closes #9071)