I also added a test case for this issue. (see https://sourceforge.net/tracker/?func=detail&aid=3118522&group_id=226462&atid=1067632) git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1157 67173fc5-114c-0410-ac8e-9d2fd5bffc1f