diff -up assimp-3.3.1/code/ByteSwapper.h.than assimp-3.3.1/code/ByteSwapper.h

diff -up assimp-3.3.1/code/glTFAsset.inl.than assimp-3.3.1/code/glTFAsset.inl

--- assimp-3.3.1/code/glTFAsset.inl.than	2017-05-05 17:28:29.754976483 -0400

+++ assimp-3.3.1/code/glTFAsset.inl	2017-05-05 17:28:52.995404721 -0400

@@ -40,6 +40,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 #include "StringUtils.h"

+using namespace Assimp;

 namespace glTF {

 namespace {