daemon: Fix domain name leak in error path
daemon: Fix domain name leak in error path

Domain name is duplicated in make_nonnull_domain, but not freed when
virTypedParamsSerialize returns error.

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