fix: w5500有个编译错误,在esp32上

components/ethernet/w5500/luat_lib_w5500.c

@@ -115,7 +115,7 @@ static const rotable_Reg_t reg_w5500[] =
     { "init",           ROREG_FUNC(l_w5500_init)},
 	{ "config",           ROREG_FUNC(l_w5500_config)},
 	{ "nw_reg",           ROREG_FUNC(l_w5500_network_register)},
-	{ NULL,            {}}
+	{ NULL,            ROREG_INT(0)}
 };
 
 LUAMOD_API int luaopen_w5500( lua_State *L ) {