Volker Enderlein

**[Original report](https://bitbucket.org/Coin3D/quarter/issue/4) by Nikolay Fedorov (Bitbucket: [Unril](https://bitbucket.org/Unril), GitHub: [Unril](https://github.com/Unril)).** ---------------------------------------- It happens when link against Qt built with default configuration. All OK when Qt is built with "-opengl dynamic -no-angle"...