Updated openstack/openstack
Project: openstack/nova  7aa8fdde66b4d39ffa8d21f474f9f584bfdba551

Remove blanks before ':'

A space before ":" is unnecessary because of JSON.
So this patch removes the blanks before ':' for
v2 os-virtual-interfaces integrated test.

Change-Id: I20965a183a6a00e263cd0fdd91a3337162ecbe9b