X3D: consistent initialization with nullptr

code/AssetLib/X3D/X3DImporter_Group.cpp

@@ -72,7 +72,7 @@ void X3DImporter::startReadGroup(XmlNode &node) {
 
     // if "USE" defined then find already defined element.
     if (!use.empty()) {
-        X3DNodeElementBase *ne = nullptr;
+        X3DNodeElementBase *ne(nullptr);
         ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
     } else {
         ParseHelper_Group_Begin(); // create new grouping element and go deeper if node has children.
@@ -110,7 +110,7 @@ void X3DImporter::startReadStaticGroup(XmlNode &node) {
 
     // if "USE" defined then find already defined element.
     if (!use.empty()) {
-        X3DNodeElementBase *ne = nullptr;
+        X3DNodeElementBase *ne(nullptr);
 
         ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
     } else {
@@ -153,7 +153,7 @@ void X3DImporter::startReadSwitch(XmlNode &node) {
 
     // if "USE" defined then find already defined element.
     if (!use.empty()) {
-        X3DNodeElementBase *ne=nullptr;
+        X3DNodeElementBase *ne(nullptr);
 
         ne = MACRO_USE_CHECKANDAPPLY(node, def, use, ENET_Group, ne);
     } else {