CEPH_BASE_PACKAGES: Fixing package name typo
CEPH_BASE_PACKAGES: Fixing package name typo

Commit 0516d72f94dfc0d7d4a6d7dd5e3f4c2cc3258c15 introduced a typo in the package name while the commit message was correct.

sgdisk is the binary, gdisk the package name.

Signed-off-by: Erwan Velu <dbf153a4f846e5c13692f4d75719ee25e7660abd@redhat.com>

ceph/ceph-docker,ceph/ceph-docker