fix nagios' handling of nonblocking reads

[Henning Brauer]

* Henning Brauer <hb-nagios at bsws.de> [2009-01-09 16:04]:
> +						pfd.fd = fd[0];
> +						pfd.revents = POLLIN;

that should be pfd.events, not revents, of course...

-- 
Henning Brauer, hb at bsws.de, henning at openbsd.org
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