Recommended update for grub2

This update for grub2 fixes the following issues:

- Fallback to old subvol name scheme to support old snapshot config (boo#953538)
- Add missing quoting for linuxefi (boo#951962)

Fixed bugs
bnc#953538
After SLES12SP1 -> SLES12 rollback, rollback in grub2 does not work anymore
bnc#951962
Error: you need to load the kernel first
Selected Binaries
openSUSE Build Service is sponsored by