diff -up qt3d-opensource-src-5.9.0-beta3/src/3rdparty/assimp/code/glTFAsset.inl.than qt3d-opensource-src-5.9.0-beta3/src/3rdparty/assimp/code/glTFAsset.inl
--- qt3d-opensource-src-5.9.0-beta3/src/3rdparty/assimp/code/glTFAsset.inl.than 2017-05-10 11:48:47.727867274 -0400
+++ qt3d-opensource-src-5.9.0-beta3/src/3rdparty/assimp/code/glTFAsset.inl 2017-05-10 11:48:29.407529841 -0400
@@ -40,6 +40,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#include "StringUtils.h"
+using namespace Assimp;
namespace glTF {
namespace {