maint: Sync bootstrap after gnulib update
maint: Sync bootstrap after gnulib update

7fa7fe22d844 updated gnulib to the latest upstream commit,
but forgot to include the corresponding bootstrap changes.

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