fix wrong string format in libvirt inspector
fix wrong string format in libvirt inspector

There should be a type specification after id field.

Change-Id: I9230f593d8d6fff74a43e840193e2b8202399280
Closes-Bug: #1426198

cernops/ceilometer,isyippee/ceilometer,pkilambi/ceilometer,eayunstack/ceilometer,mathslinux/ceilometer,chungg/aodh,openstack/aodh,pkilambi/ceilometer,idegtiarov/ceilometer,sileht/aodh,isyippee/ceilometer,openstack/ceilometer,eayunstack/ceilometer,cernops/ceilometer,openstack/aodh,openstack/ceilometer,r-mibu/ceilometer,mathslinux/ceilometer,chungg/aodh,pczerkas/aodh,pczerkas/aodh,sileht/aodh,ityaptin/ceilometer,ityaptin/ceilometer,idegtiarov/ceilometer,maestro-hybrid-cloud/ceilometer,redhat-openstack/ceilometer,maestro-hybrid-cloud/ceilometer,redhat-openstack/ceilometer,r-mibu/ceilometer,fabian4/ceilometer,fabian4/ceilometer