Fix memory leak in BBOB f7.
Fix memory leak in BBOB f7.

oaelhara/numbbo,dtusar/coco,NDManh/numbbo,dtusar/coco,NDManh/numbbo,oaelhara/numbbo,dtusar/coco,NDManh/numbbo,dtusar/coco,oaelhara/numbbo,NDManh/numbbo,oaelhara/numbbo,dtusar/coco,NDManh/numbbo,NDManh/numbbo,dtusar/coco,NDManh/numbbo,dtusar/coco,oaelhara/numbbo,oaelhara/numbbo,dtusar/coco,oaelhara/numbbo,NDManh/numbbo,dtusar/coco,oaelhara/numbbo,NDManh/numbbo,oaelhara/numbbo