This bug was fixed in the package grub2 - 2.02~beta2-25
--------------- grub2 (2.02~beta2-25) unstable; urgency=medium
* Build-depend on dosfstools and mtools on arm64 as well as amd64.
-- Colin Watson <email address hidden> Fri, 12 Jun 2015 12:29:19 +0100
This bug was fixed in the package grub2 - 2.02~beta2-25
---------------
grub2 (2.02~beta2-25) unstable; urgency=medium
* Build-depend on dosfstools and mtools on arm64 as well as amd64.
-- Colin Watson <email address hidden> Fri, 12 Jun 2015 12:29:19 +0100