[PATCH 0/1] MR4889: winex11: Call XInstallColormap in unmanaged mode.

[Alex Henrie (＠alexhenrie)]

With this change, unchecking "Allow the window manager to control the
windows" in winecfg makes 256-color games look right in Xephyr without
having to run a window manager in Xephyr too.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/4889