bad hash in repo

[Randy Bush]

> seeing a lot of these
> 
> Looking up update.FreeBSD.org mirrors... 2 mirrors found.
> Fetching metadata signature for 11.1-RELEASE from update4.freebsd.org... done.
> Fetching metadata index... done.
> Inspecting system... done.
> Preparing to download files... done.
> Fetching 2 patches.. done.
> Applying patches... done.
> Fetching 2 files... 104969ef03336523729ea1df2547267441a13cb040c778e971b74103e88dbc77 has incorrect hash.

these continue; like for a week.  for multiple servers, all on the
global internet no filters other than samba etc.

randy