Bug#851513: Build failing

[Arnoud Dekker]

I can confirm that packages built manually from 
https://anonscm.debian.org/gitweb/?p=pkg-zfsonlinux/zfs.git and 
https://anonscm.debian.org/gitweb/?p=pkg-zfsonlinux/spl.git , which 
include fixes for this bug (thanks Aron!), seem to resolve this issue.