--- a/src/utils/idfile.cpp
+++ b/src/utils/idfile.cpp
@@ -1,5 +1,5 @@
#ifndef lint
-static char rcsid[] = "@(#$Id: idfile.cpp,v 1.7 2008-02-11 10:21:58 dockes Exp $ (C) 2005 J.F.Dockes";
+static char rcsid[] = "@(#$Id: idfile.cpp,v 1.8 2008-05-21 07:21:37 dockes Exp $ (C) 2005 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
@@ -19,6 +19,7 @@
*/
#ifndef TEST_IDFILE
#include <unistd.h> // for access(2)
+#include <stdlib.h>
#include <ctype.h>
#include <cstring>