Increase BUFSIZ to 8192

[Poul-Henning Kamp]

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In message <72720EA2-C251-40B9-9EC0-702C07D5EDF9 at gmail.com>, Garrett Cooper writes:

>Until performance has been characterized on 32-bit vs 
>64-bit architectures, blanket changing a value doesn't make sense.

First time I saw benchmarks which showed improved performance
from a larger BUFSIZe was around 1998...

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.