--- swsusp.h.orig	2010-10-03 13:40:47.000000000 -0600
+++ swsusp.h	2010-10-04 14:38:38.000000000 -0600
@@ -11,6 +11,7 @@
 
 #include <stdint.h>
 #include <linux/fs.h>
+#include <errno.h>
 
 #include "suspend_ioctls.h"
 #include "encrypt.h"