Merge topic 'egl-query-error'

ec802f72 Query EGL error on vtkEGLRenderWindow::MakeCurrent

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Andrew Bauer <andy.bauer@kitware.com>
Acked-by: Mathieu Westphal <mathieu.westphal@kitware.com>
Reviewed-by: Ken Martin <ken.martin@kitware.com>
Merge-request: !1364