qemu: block commit: Determine relative path of images before initializing
qemu: block commit: Determine relative path of images before initializing

Changing labelling of the images does not need to happen after setting
the labeling and lock manager access. This saves the cleanup of the
labeling if the relative path can't be determined.

datto/libvirt,andreabolognani/libvirt,libvirt/libvirt,andreabolognani/libvirt,jfehlig/libvirt,crobinso/libvirt,nertpinx/libvirt,olafhering/libvirt,nertpinx/libvirt,andreabolognani/libvirt,crobinso/libvirt,jfehlig/libvirt,datto/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jfehlig/libvirt,nertpinx/libvirt,crobinso/libvirt,libvirt/libvirt,eskultety/libvirt,libvirt/libvirt,jardasgit/libvirt,eskultety/libvirt,olafhering/libvirt,olafhering/libvirt,crobinso/libvirt,fabianfreyer/libvirt,eskultety/libvirt,fabianfreyer/libvirt,olafhering/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,eskultety/libvirt,zippy2/libvirt,zippy2/libvirt,jardasgit/libvirt,zippy2/libvirt,eskultety/libvirt,libvirt/libvirt,nertpinx/libvirt,jardasgit/libvirt,andreabolognani/libvirt,zippy2/libvirt,datto/libvirt,datto/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,datto/libvirt,fabianfreyer/libvirt