Fix obscure typo.  If someone were switching back and forth between different queue sizes *and* units (packets or bytes) on a link, they could have been bit by this.  But I doubt it.
Fix obscure typo.  If someone were switching back and forth between
different queue sizes *and* units (packets or bytes) on a link, they
could have been bit by this.  But I doubt it.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome