From 9f33fb60853d024c18dec1c6044594f7c1b59ef3 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Tue, 9 Jul 2019 20:22:07 +1000
Subject: [PATCH] AP_Terrain: add missing AP_AHRS include

---
 libraries/AP_Terrain/TerrainGCS.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libraries/AP_Terrain/TerrainGCS.cpp b/libraries/AP_Terrain/TerrainGCS.cpp
index aca427cfec..e25a71fb41 100644
--- a/libraries/AP_Terrain/TerrainGCS.cpp
+++ b/libraries/AP_Terrain/TerrainGCS.cpp
@@ -16,12 +16,14 @@
   handle vehicle <-> GCS communications for terrain library
  */
 
+#include "AP_Terrain.h"
+
+#include <AP_AHRS/AP_AHRS.h>
 #include <AP_HAL/AP_HAL.h>
 #include <AP_Common/AP_Common.h>
 #include <AP_Math/AP_Math.h>
 #include <GCS_MAVLink/GCS_MAVLink.h>
 #include <GCS_MAVLink/GCS.h>
-#include "AP_Terrain.h"
 
 #if AP_TERRAIN_AVAILABLE