Small refactoring

src/slic3r/GUI/3DBed.cpp

@@ -10,9 +10,6 @@
 #include "PresetBundle.hpp"
 #include "Gizmos/GLGizmoBase.hpp"
 #include "GLCanvas3D.hpp"
-#if ENABLE_NON_STATIC_CANVAS_MANAGER
-#include "GLCanvas3DManager.hpp"
-#endif // ENABLE_NON_STATIC_CANVAS_MANAGER
 
 #include <GL/glew.h>
 

src/slic3r/GUI/GUI_Preview.cpp

@@ -56,7 +56,9 @@ View3D::~View3D()
         _3DScene::remove_canvas(m_canvas_widget);
 #endif // !ENABLE_NON_STATIC_CANVAS_MANAGER
         delete m_canvas_widget;
+#if !ENABLE_NON_STATIC_CANVAS_MANAGER
         m_canvas = nullptr;
+#endif // !ENABLE_NON_STATIC_CANVAS_MANAGER
     }
 }