Vg: comment back in the free space adjustment in create
Vg: comment back in the free space adjustment in create

Otherwise we end up using the same segments for all our LVs.
This appears to be a bug in 61064a94

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@citrix.com>

djs55/mirage-block-volume,simonjbeaumont/mirage-block-volume