misc: fix factor.vim.fgen for words->vocab-words refactor.
misc: fix factor.vim.fgen for words->vocab-words refactor.

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