Bug#966554: grub2-common: BootHole fixes in DSA-4735-1 break dual-boot with Windows

[Janek Stolarek]

> That's part of the Debian process for generating
> grub-efi-amd64-signed, it's no use to you. For now, uninstall the
> grub-efi-amd64-signed package that you have please?
Ok, I can confirm that the works. I installed the packages from the repo, disabled Secure Boot, 
and I can now boot into Windows without problems.

Janek