From 507cbe2475e3ddf5372dfc19c65fa8b619304a77 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sat, 7 Jan 2017 12:43:17 -0600
Subject: [PATCH] trv_graphics.h uses sem_t so should include semaphore.h

---
 graphics/traveler/include/trv_graphics.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/graphics/traveler/include/trv_graphics.h b/graphics/traveler/include/trv_graphics.h
index cb0684e9b..bb68741f1 100644
--- a/graphics/traveler/include/trv_graphics.h
+++ b/graphics/traveler/include/trv_graphics.h
@@ -41,6 +41,7 @@
  ****************************************************************************/
 
 #include "trv_types.h"
+#include <semaphore.h>
 
 #include <nuttx/video/fb.h>
 #ifdef CONFIG_NX