Fix split.
Fix split.

I upgraded to the nightly build.

Shtong/coreutils,steveklabnik/coreutils,dbrgn/coreutils,uutils/coreutils,Arcterus/coreutils,silvio/rust-coreutils,ebfe/coreutils,Heather/coreutils,tempbottle/coreutils,Gianbaoluo/coreutils,beni55/coreutils,hexsel/coreutils,kball/coreutils,mauricio/coreutils,kwantam/coreutils,steveklabnik/coreutils,filmor/coreutils,jbcrail/coreutils,wimh/coreutils,hexsel/coreutils,uutils/coreutils,keunwoo/coreutils,sshling/coreutils,dbrgn/coreutils,bundai223/coreutils,retep998/coreutils,dennis/coreutils,dbrgn/coreutils,mauricio/coreutils,Shir0kamii/coreutils,kwantam/coreutils,kevgeniy/coreutils,bundai223/coreutils,Shtong/coreutils,kevgeniy/coreutils,Heather/coreutils,ebfe/coreutils,retep998/coreutils,tempbottle/coreutils,silvio/rust-coreutils,filmor/coreutils,Arcterus/coreutils,wimh/coreutils,Shir0kamii/coreutils,samfoo/coreutils,kball/coreutils,uutils/coreutils,sshling/coreutils,efuquen/coreutils,efuquen/coreutils,beni55/coreutils,Gianbaoluo/coreutils,samfoo/coreutils,jbcrail/coreutils,dennis/coreutils,keunwoo/coreutils