The first parameter of the function XkbAllocGeomOverlayKeys() is XkbOverlayRowPtr, not XkbRowPtr. Change the word XkbRowPtr with XkbOverlayRowPtr 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/74f2f26811ae82b15dede31504b0eb541f7a3293
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