Potential fix for pull request finding

The9Cat · Copilot · web-flow · commit 9b56ca1a1ffc · 2026-05-29T08:33:34.000-04:00
Co-authored-by: Copilot Autofix powered by AI &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/utils/Test/testmd5.cc b/utils/Test/testmd5.cc
@@ -1,9 +1,10 @@
 // This test verifies that QuickDigest5 correctly computes the MD5
 // hash of a file
 
-#include <iostream>
+#include <cstdlib>
 #include <filesystem>
-
+#include <iostream>
+#include <string>
 #include "quickdigest5.hpp"
 
 #include "exputils.H" // For get_md5sum which uses the system's md5sum
