[PATCH 0/4] MR622: winhttp: Allow custom headers to be separated by any sequence of \r and \n.

[Zebediah Figura (＠zfigura)]

Patches 3 and 4 are simply extra attempts to improve code, and can be discarded
if deemed undesirable.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/622