[PATCH 0/1] MR3083: comctl32: Remove duplicate declarations of MONTHCAL functions.

[Alex Henrie (＠alexhenrie)]

MONTHCAL_MonthLength and MONTHCAL_CalculateDayOfWeek are already
declared in dlls/comctl32/comctl32.h.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3083