Include <errno.h>

Change-Id: I55a5ef14ec75095cfe6a490eedd460f21c1c9625

external/libgltf/UnpackedTarball_libgltf.mk

@@ -28,6 +28,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,libgltf,\
 	external/libgltf/patches/remove_extra_include.patch \
 	external/libgltf/patches/fmod_error_handling.patch \
 	external/libgltf/patches/extern-C.patch \
+	external/libgltf/patches/errno.patch \
 ))
 
 # vim: set noet sw=4 ts=4:

external/libgltf/patches/errno.patch

+--- libgltf/src/RenderScene.cpp
++++ libgltf/src/RenderScene.cpp
+@@ -5,6 +5,7 @@
+  * License, v. 2.0. If a copy of the MPL was not distributed with this
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+  */
++#include <errno.h>
+ #include "RenderScene.h"
+ #include <glm/gtx/transform.hpp>
+ #include <glm/gtc/matrix_inverse.hpp>