diff -rupN sudo-1.8.14p3.orig/include/sudo_util.h sudo-1.8.14p3/include/sudo_util.h
--- sudo-1.8.14p3.orig/include/sudo_util.h	2015-07-22 14:22:49.000000000 +0200
+++ sudo-1.8.14p3/include/sudo_util.h	2015-08-30 18:41:24.509814946 +0200
@@ -23,6 +23,8 @@
 # include "compat/stdbool.h"
 #endif /* HAVE_STDBOOL_H */
 
+#include <sys/types.h>
+
 /*
  * Macros for operating on struct timeval.
  */