Fixed the output in coco_suite_get_next_problem to work correctly when only one function is selected.
Fixed the output in coco_suite_get_next_problem to work correctly when only one function is selected.

oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo,oaelhara/numbbo