qemuDomainRename: Explicitly check if domain is renaming to itself
qemuDomainRename: Explicitly check if domain is renaming to itself

It may happen that user (mistakenly) wants to rename a domain to
itself. Which is no renaming at all. We should reject that with
some meaningful error message.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

olafhering/libvirt,taget/libvirt,taget/libvirt,nertpinx/libvirt,libvirt/libvirt,crobinso/libvirt,crobinso/libvirt,fabianfreyer/libvirt,libvirt/libvirt,rlaager/libvirt,andreabolognani/libvirt,jfehlig/libvirt,andreabolognani/libvirt,datto/libvirt,rlaager/libvirt,VenkatDatta/libvirt,agx/libvirt,rlaager/libvirt,zippy2/libvirt,fabianfreyer/libvirt,eskultety/libvirt,taget/libvirt,datto/libvirt,agx/libvirt,datto/libvirt,jardasgit/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,olafhering/libvirt,eskultety/libvirt,jardasgit/libvirt,agx/libvirt,datto/libvirt,eskultety/libvirt,libvirt/libvirt,zippy2/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,zippy2/libvirt,crobinso/libvirt,jardasgit/libvirt,nertpinx/libvirt,olafhering/libvirt,datto/libvirt,zippy2/libvirt,VenkatDatta/libvirt,taget/libvirt,crobinso/libvirt,jfehlig/libvirt,andreabolognani/libvirt,rlaager/libvirt,eskultety/libvirt,andreabolognani/libvirt,jfehlig/libvirt,nertpinx/libvirt,andreabolognani/libvirt,libvirt/libvirt,agx/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,olafhering/libvirt,rlaager/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,taget/libvirt,VenkatDatta/libvirt,agx/libvirt,eskultety/libvirt