Fix checksum property on etcd_installation resource
Fix checksum property on etcd_installation resource

Signed-off-by: Christopher Berner <85ecfd1ac12974b0f5869acb6647ba3e0f2bcbc8@gmail.com>

chef-cookbooks/etcd,chef-cookbooks/etcd,someara/etcd-cookbook,someara/etcd-cookbook,chef-cookbooks/etcd,chef-brigade/etcd-cookbook,spheromak/etcd-cookbook,chef-brigade/etcd-cookbook,spheromak/etcd-cookbook,chef-brigade/etcd-cookbook,someara/etcd-cookbook,spheromak/etcd-cookbook