Include needed for time_t.
--- ttyload.h.orig	Tue Dec 24 00:51:31 2013
+++ ttyload.h	Tue Dec 24 00:51:44 2013
@@ -8,6 +8,8 @@
  *
  */
 
+#include <sys/time.h>
+
 #define	MIN(a,b)	(((a)<(b))?(a):(b))
 #define	MAX(a,b)	(((a)>(b))?(a):(b))