ryu: minor locals cleanup, don't use 5drop.
ryu: minor locals cleanup, don't use 5drop.

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