[minor] Formatting - this is now a [4-space indent](https://git-wip-us.apache.org/repos/asf?p=jclouds.git;a=blob;f=apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v2_0/domain/Server.java;h=143131c0c4cd68baab11d87fe8ae47bd08a426c3;hb=222779bbc4052c41a6db0e484cee44b58251abdd), should be 3.