This bug was fixed in the package grub2-signed - 1.9~ubuntu12.04.4
--------------- grub2-signed (1.9~ubuntu12.04.4) precise-proposed; urgency=low
* Rebuild against grub-efi-amd64 1.99-21ubuntu3.10. (LP: #1184297) -- Stephane Graber <email address hidden> Fri, 19 Jul 2013 20:03:16 -0400
This bug was fixed in the package grub2-signed - 1.9~ubuntu12.04.4
---------------
grub2-signed (1.9~ubuntu12.04.4) precise-proposed; urgency=low
* Rebuild against grub-efi-amd64 1.99-21ubuntu3.10. (LP: #1184297)
-- Stephane Graber <email address hidden> Fri, 19 Jul 2013 20:03:16 -0400