Updated openstack/openstack
Project: openstack/cinder  dfef443fce4ab7e9870b84e1d886067e2825cae8

VMware: Bump driver version

Commit 86591a24d48fe19be427b5a8981821fcdb85bb37 added support for
retype API in VMDK driver. This patch updates the driver version
to reflect this.

Change-Id: I8351a40d393d68f5873237fb670a5e0c4a93a863