Mesh: modernize C++: use default member init

src/Mod/Mesh/Gui/SoFCIndexedFaceSet.cpp

@@ -74,12 +74,11 @@ class MeshRenderer::Private {
 public:
     Gui::OpenGLMultiBuffer vertices;
     Gui::OpenGLMultiBuffer indices;
-    const SbColor * pcolors;
-    SoMaterialBindingElement::Binding matbinding;
-    bool initialized;
+    const SbColor * pcolors{nullptr};
+    SoMaterialBindingElement::Binding matbinding{SoMaterialBindingElement::OVERALL};
+    bool initialized{false};
 
     Private();
-    ~Private();
     bool canRenderGLArray(SoGLRenderAction *) const;
     void generateGLArrays(SoGLRenderAction* action,
         SoMaterialBindingElement::Binding matbind,
@@ -96,14 +95,9 @@ private:
 MeshRenderer::Private::Private()
   : vertices(GL_ARRAY_BUFFER)
   , indices(GL_ELEMENT_ARRAY_BUFFER)
-  , pcolors(nullptr)
-  , matbinding(SoMaterialBindingElement::OVERALL)
-  , initialized(false)
 {
 }
 
-MeshRenderer::Private::~Private() = default;
-
 bool MeshRenderer::Private::canRenderGLArray(SoGLRenderAction *action) const
 {
     static bool init = false;
@@ -461,7 +455,6 @@ void SoFCIndexedFaceSet::initClass()
 
 SoFCIndexedFaceSet::SoFCIndexedFaceSet()
   : renderTriangleLimit(UINT_MAX)
-  , selectBuf(nullptr)
 {
     SO_NODE_CONSTRUCTOR(SoFCIndexedFaceSet);
     SO_NODE_ADD_FIELD(updateGLArray, (false));