benchmark.completion: fix use of name-completions.
benchmark.completion: fix use of name-completions.

bpollack/factor,tgunr/factor,tgunr/factor,factor/factor,bpollack/factor,mrjbq7/factor,factor/factor,factor/factor,factor/factor,tgunr/factor,factor/factor,bpollack/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,bpollack/factor,tgunr/factor,mrjbq7/factor,tgunr/factor,factor/factor,bpollack/factor,bpollack/factor,mrjbq7/factor