vm: use twodigit type for all variables (fixes 32-bit warning).
vm: use twodigit type for all variables (fixes 32-bit warning).

bpollack/factor,tgunr/factor,factor/factor,slavapestov/factor,AlexIljin/factor,dch/factor,mrjbq7/factor,AlexIljin/factor,sarvex/factor-lang,bpollack/factor,slavapestov/factor,nicolas-p/factor,sarvex/factor-lang,bpollack/factor,factor/factor,slavapestov/factor,factor/factor,tgunr/factor,bpollack/factor,sarvex/factor-lang,nicolas-p/factor,sarvex/factor-lang,slavapestov/factor,slavapestov/factor,mrjbq7/factor,factor/factor,nicolas-p/factor,slavapestov/factor,bjourne/factor,factor/factor,tgunr/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor,sarvex/factor-lang,sarvex/factor-lang,dch/factor,bjourne/factor,nicolas-p/factor,tgunr/factor,AlexIljin/factor,bjourne/factor,AlexIljin/factor,tgunr/factor,bpollack/factor,AlexIljin/factor,nicolas-p/factor,tgunr/factor,mrjbq7/factor,bjourne/factor,bpollack/factor,bjourne/factor,slavapestov/factor,sarvex/factor-lang,nicolas-p/factor,dch/factor,factor/factor,AlexIljin/factor,mrjbq7/factor,dch/factor,bjourne/factor,bjourne/factor,nicolas-p/factor,dch/factor,AlexIljin/factor,dch/factor