fixed issue with apt-get update -- hash mismatch (recursive delete cache)
fixed issue with apt-get update -- hash mismatch (recursive delete cache)

Signed-off-by: Nagapramod Mandagere <459b9f2da98a4f81cc141b18707e9a2669e5cf9c@us.ibm.com>

cloudfoundry-incubator/cephfs-bosh-release,cloudfoundry-incubator/cephfs-bosh-release