--- a/authenticate/vauthenticate.cc	Sun Jan 20 00:12:17 2008 +0100
+++ b/authenticate/vauthenticate.cc	Sun Jan 20 00:22:09 2008 +0100
@@ -16,6 +16,7 @@
 
 #include <config.h>
 #include <errno.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include "authvlib.h"
 #include "fdbuf/fdbuf.h"