include missing cctype in stringutil

galabovaa · galabovaa · commit 123c6c0ec07c · 2025-06-23T22:46:22.000+03:00
diff --git a/highs/util/stringutil.cpp b/highs/util/stringutil.cpp
@@ -9,6 +9,7 @@
 
 #include <algorithm>  // for std::transform
 #include <cassert>
+#include <cctype>
 
 /*
 void strRemoveWhitespace(char* str) {
