--- stardict/dict/stardict-plugins/stardict-wordnet-plugin/scene.h

+++ stardict/dict/stardict-plugins/stardict-wordnet-plugin/scene.h

@@ -28,6 +28,7 @@

 #include "partic.h"

 #include "spring.h"

+#include <cstddef>

 #include <vector>

 using namespace std;