Yet another package which won't compile with gcc 6. There is a fix here: https://git.archlinux.org/svntogit/community.git/tree/trunk/krename-gcc6.patch?h=packages/krename
Thanks. https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=577852946efdb0d29df022f045aeff6448ce3bd8