The [declaration of majorGLX and minorGLX](https://github.com/gamedevtech/X11OpenGLWindow/blob/4a3d55bb7aafd135670947f71bd2a3ee691d3fb3/X11.cpp#L59) will [only initialize minorGLX](https://stackoverflow.com/a/6838480).
The declaration of majorGLX and minorGLX will only initialize minorGLX.