minesweeper: fix bug when running before ever clicking on anything.
minesweeper: fix bug when running before ever clicking on anything.

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