From e7bb9f714e420b38c9da95853c9693316d3d2a6f Mon Sep 17 00:00:00 2001
From: kfazz <kfazz01@gmail.com>
Date: Mon, 6 Jun 2016 13:50:58 -0400
Subject: [PATCH] include <sys/types.h> so OK is defined.

---
 configs/teensy-3.x/src/k20_appinit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configs/teensy-3.x/src/k20_appinit.c b/configs/teensy-3.x/src/k20_appinit.c
index fd1b2bd5c8..a66f7a38b0 100644
--- a/configs/teensy-3.x/src/k20_appinit.c
+++ b/configs/teensy-3.x/src/k20_appinit.c
@@ -38,7 +38,7 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-
+#include <sys/types.h>
 #include <nuttx/board.h>
 
 #include "teensy-3x.h"