message: Fix clang-format error in vtkglwidget.cpp
diff: #include <vtkPiecewiseFunction.h>
  #include <vtkRenderViewBase.h>
  #include <vtkRenderer.h>
  -#include <vtkRenderer.h>
  #include <vtkSmartVolumeMapper.h>
  #include <vtkVolume.h>
  #include <vtkVolumeProperty.h>
  @@ -145,8 +144,7 @@ vtkVolume* cubeVolume(Core::Cube* cube)
  }
  vtkGLWidget::vtkGLWidget(QWidget* p, Qt::WindowFlags f)
  - : QVTKOpenGLWidget(p, f), m_activeTool(nullptr),
  - m_defaultTool(nullptr)
  + : QVTKOpenGLWidget(p, f), m_activeTool(nullptr), m_defaultTool(nullptr)
  {
  setFocusPolicy(Qt::ClickFocus);
  connect(&m_scenePlugins,
  