The package golang-github-cznic-fileutil 0.0~git20150708.0.1c9c88f-3 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-cznic-fileutil -- More information about golang-github-cznic-fileutil: http://pkg.kali.org/pkg/golang-github-cznic-fileutil