[PATCH 0/3] MR6057: Cmd engine rewrite (part XX)

[eric pouech (＠epo)]

This is part XX of cmd engine rewrite.

It provides:
- a couple of more internal cleanups,
- avoids leaks on some error paths,
- fixes a couple of redirection related issues

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6057