prefer prefix ++ operator for non-primitive types

code/X3D/X3DImporter_Postprocess.cpp

@@ -194,7 +194,7 @@ void X3DImporter::Postprocess_BuildMaterial(const CX3DImporter_NodeElement& pNod
 	aiMaterial& taimat = **pMaterial;// creating alias for convenience.
 
 	// at this point pNodeElement point to <Appearance> node. Walk through childs and add all stored data.
-	for(std::list<CX3DImporter_NodeElement*>::const_iterator el_it = pNodeElement.Child.begin(); el_it != pNodeElement.Child.end(); el_it++)
+	for(std::list<CX3DImporter_NodeElement*>::const_iterator el_it = pNodeElement.Child.begin(); el_it != pNodeElement.Child.end(); ++el_it)
 	{
 		if((*el_it)->Type == CX3DImporter_NodeElement::ENET_Material)
 		{
@@ -544,7 +544,7 @@ void X3DImporter::Postprocess_BuildMesh(const CX3DImporter_NodeElement& pNodeEle
 
 				vec_copy.reserve(((CX3DImporter_NodeElement_Coordinate*)*ch_it)->Value.size());
 				for(std::list<aiVector3D>::const_iterator it = ((CX3DImporter_NodeElement_Coordinate*)*ch_it)->Value.begin();
-					it != ((CX3DImporter_NodeElement_Coordinate*)*ch_it)->Value.end(); it++)
+					it != ((CX3DImporter_NodeElement_Coordinate*)*ch_it)->Value.end(); ++it)
 				{
 					vec_copy.push_back(*it);
 				}
@@ -589,7 +589,7 @@ void X3DImporter::Postprocess_BuildMesh(const CX3DImporter_NodeElement& pNodeEle
 		}
 
 		// copy additional information from children
-		for(std::list<CX3DImporter_NodeElement*>::iterator ch_it = tnemesh.Child.begin(); ch_it != tnemesh.Child.end(); ch_it++)
+		for(std::list<CX3DImporter_NodeElement*>::iterator ch_it = tnemesh.Child.begin(); ch_it != tnemesh.Child.end(); ++ch_it)
 		{
 			ai_assert(*pMesh);
 			if((*ch_it)->Type == CX3DImporter_NodeElement::ENET_Color)
@@ -779,7 +779,7 @@ void X3DImporter::Postprocess_CollectMetadata(const CX3DImporter_NodeElement& pN
 		// copy collected metadata to output node.
         pSceneNode.mMetaData = aiMetadata::Alloc( static_cast<unsigned int>(meta_list.size()) );
 		meta_idx = 0;
-		for(std::list<CX3DImporter_NodeElement*>::const_iterator it = meta_list.begin(); it != meta_list.end(); it++, meta_idx++)
+		for(std::list<CX3DImporter_NodeElement*>::const_iterator it = meta_list.begin(); it != meta_list.end(); ++it, ++meta_idx)
 		{
 			CX3DImporter_NodeElement_Meta* cur_meta = (CX3DImporter_NodeElement_Meta*)*it;