Comment 2 for bug 1384826

Reviewed: https://review.openstack.org/130606
Committed: https://git.openstack.org/cgit/openstack/diskimage-builder/commit/?id=8c9ee78ab584224e89c0a03da005c4e3bcf19ff1
Submitter: Jenkins
Branch: master

commit 8c9ee78ab584224e89c0a03da005c4e3bcf19ff1
Author: Ramakrishnan G <email address hidden>
Date: Thu Oct 23 22:24:18 2014 +0530

    iso element to use 'search --label' for grub

    Current iso element uses 'search --file' to find the
    grub root. This is a wrong approach as it may find
    some other partition containing /vmlinuz. Instead modify
    it to search for grub root by the label of ISO image.

    Closes-Bug: 1384826
    Change-Id: Id4217be3420597bed2f80a96788928259ec91582