--- support.c.orig	2004-01-03 17:44:01.000000000 -0500
+++ support.c	2004-01-03 17:44:33.000000000 -0500
@@ -6,6 +6,7 @@
 
 static const char rcsid[] = "$Id: support.c,v 1.8 2000/01/04 09:50:03 fcusack Exp $";
 
+#include <errno.h>	/* ENOMEM */
 #include <stdio.h>	/* BUFSIZ */
 #include <syslog.h>	/* syslog */
 #include <security/pam_appl.h>