Set lv_list last_sel to NULL upon creation
@@ -90,6 +90,7 @@ lv_obj_t * lv_list_create(lv_obj_t * par, const lv_obj_t * copy)
ext->styles_btn[LV_BTN_STATE_INA] = &lv_style_btn_ina;
ext->anim_time = LV_LIST_FOCUS_TIME;
#if USE_LV_GROUP
+ ext->last_sel = NULL;
ext->selected_btn = NULL;
#endif
