fix ffi tests on 32bit
fix ffi tests on 32bit

AlexIljin/factor,mrjbq7/factor,tgunr/factor,seckar/factor,slavapestov/factor,AlexIljin/factor,bjourne/factor,bjourne/factor,ehird/factor,slavapestov/factor,seckar/factor,tgunr/factor,dch/factor,ceninan/factor,ceninan/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,mrjbq7/factor,kingcons/factor,factor/factor,factor/factor,tgunr/factor,cataska/factor,mrjbq7/factor,slavapestov/factor,mcandre/factor,bpollack/factor,bpollack/factor,seckar/factor,bpollack/factor,cataska/factor,factor/factor,littledan/Factor,slavapestov/factor,ehird/factor,ceninan/factor,Keyholder/factor,mrjbq7/factor,AlexIljin/factor,factor/factor,nicolas-p/factor,nicolas-p/factor,dch/factor,dch/factor,erg/factor,bjourne/factor,Keyholder/factor,AlexIljin/factor,bpollack/factor,littledan/Factor,kingcons/factor,bjourne/factor,slavapestov/factor,factor/factor,factor/factor,littledan/Factor,mcandre/factor,erg/factor,ehird/factor,Keyholder/factor,mcandre/factor,mcandre/factor,nicolas-p/factor,tgunr/factor,nicolas-p/factor,erg/factor,sarvex/factor-lang,cataska/factor,ceninan/factor,nicolas-p/factor,AlexIljin/factor,dch/factor,bpollack/factor,mcandre/factor,littledan/Factor,slavapestov/factor,AlexIljin/factor,sarvex/factor-lang,AlexIljin/factor,sarvex/factor-lang,bpollack/factor,cataska/factor,bjourne/factor,sarvex/factor-lang,bpollack/factor,dch/factor,sarvex/factor-lang,bjourne/factor,slavapestov/factor,mcandre/factor,erg/factor,kingcons/factor,erg/factor,dch/factor,kingcons/factor,mcandre/factor,sarvex/factor-lang,nicolas-p/factor,sarvex/factor-lang,tgunr/factor,erg/factor,erg/factor,nicolas-p/factor,bjourne/factor