PATCH: fix unnecessary flushes in hisv6

[Russ Allbery]

Chris Caputo <ccaputo at alt.net> writes:

> hisv6 has its own flush behavior, based on things like icdsynccount or
> HIS_INCORE flag, but these were being superceded by ftello()'s
> implementation.

> The following patch makes it so ftello() isn't used, but rather an
> internal offset is maintained.

Thanks, applied.

-- 
Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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