diff -ur source-highlight-2.8/src/lib/fileutil.cc source-highlight-2.8.new/src/lib/fileutil.cc
--- source-highlight-2.8/src/lib/fileutil.cc    2007-09-09 17:00:12.000000000 +0200
+++ source-highlight-2.8.new/src/lib/fileutil.cc        2008-02-12 10:08:06.000000000 +0100
@@ -23,6 +23,7 @@
 
 #include <iostream>
 #include <fstream>
+#include <cstdlib>
 
 #include "fileutil.h"
 #include "messages.h" // for verbosity