The first argument of the function XkbAllocGeomOverlayRows() is XkbOverlayPtr not XkbSectionPtr. Change XkbSectionPtr with XkbOverlayPtr and the comment in the same sentence.
Adding missing QA contact
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Thanks for the report. Fixed: https://gitlab.freedesktop.org/xorg/lib/libx11/commit/66b039a41690f076e962ac6bd46cca017360a7d1
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