deltarpm failure from rawhide

[Richard Ryniker]

Messages such as the following during execution of "yum --skip-broken
update" on F12 rawhide:

  Finishing rebuild of rpms, from deltarpms
  /var/cache/yum/x86_64/11.91/rawhide/deltas/festvox-slt-arctic-hts-0.20061229-14.fc12_0.20061229-15.fc12.noarch.drpm: md5 mismatch of result
  /var/cache/yum/x86_64/11.91/rawhide/deltas/lohit-bengali-fonts-2.4.2-1.fc12_2.4.3-1.fc12.noarch.drpm: md5 mismatch of result

Yum recovered gracefully by downloading 29 full packages from a total
of 54, but I suspect this is not supposed to be necessary.  Is it
likely some transient inconsistency in repository data files caused
the trouble?

The full console log for this yum transaction is at:

  http://ryniker.ods.org/errors/presto