PATCH: Another portability oddity addressed

[Paolo Carlini]

Hi Loren,

this testcase, which, at the time appeared rather straightforward is an
uninterrupted source of surprises, for me at least (a.k.a., I'm learning 
a lot!)

>I have no idea if lseek works in general on fifo on FreeBSD 5 (the
>various tests I ran seem to work),
>
Indeed, if this is the case, that is lseek actually can work on fifo, 
then your
proposed change is correct.

Paolo.