Fix issues importing glyph from wavefront obj file introduced by revision C10018, including crash caused by dereferencing uninitialised pointer, and glyph only containing graphics for last material in obj file. Issue 2107
Fix issues importing glyph from wavefront obj file introduced by revision C10018, including crash caused by dereferencing uninitialised pointer, and glyph only containing graphics for last material in obj file. Issue 2107

OpenCMISS/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,hsorby/zinc