--- a8cd841f13-8d82ae298d.clean/OpenXLSX/sources/XLSheet.cpp.old	2025-07-29 11:44:11.357978300 +0200
+++ a8cd841f13-8d82ae298d.clean/OpenXLSX/sources/XLSheet.cpp	2025-07-29 11:44:20.384836500 +0200
@@ -46,6 +46,7 @@ YM      M9  MM    MM MM       MM    MM
 // ===== External Includes ===== //
 #include <algorithm> // std::max
 #include <cctype>    // std::isdigit (issue #330)
+#include <cstring>
 #include <limits>    // std::numeric_limits
 #include <map>       // std::multimap
 #include <pugixml.hpp>