[PATCH 0/1] MR6561: win32u: Don't release surface before passing to create_offscreen_window_surface()

[Jinoh Kang (＠iamahuman)]

create_offscreen_window_surface() expects to borrow a reference from
*window_surface argument if it is not NULL.

Fixes: 8dd4b62e4c7 (win32u: Move offscreen window surface creation fallback., 2024-06-27)

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6561