add cstring header to command_ine

takev · takev · commit 931df7ede836 · 2025-09-15T22:21:38.000+02:00
diff --git a/src/utility/command_line.cpp b/src/utility/command_line.cpp
@@ -15,6 +15,7 @@
 #include <filesystem>
 #include <fstream>
 #include <cctype>
+#include <cstring>
 #include <gsl/gsl>
 
 #if defined(_WIN32)
