https://bugs.winehq.org/show_bug.cgi?id=56755
--- Comment #8 from Vijay Kamuju infyquest@gmail.com --- if you can add a test to this file dlls/windowscodecs/tests/bmpformat.c, it would be easier to convince.
Also create a MR for this at to get it in the source tree : https://gitlab.winehq.org/wine/wine/-/merge_requests