kern/126076: [headers] POLL_ERR and POLL_HUP are defined identically

[brueffer at FreeBSD.org]

Synopsis: [headers] POLL_ERR and POLL_HUP are defined identically

State-Changed-From-To: open->closed
State-Changed-By: brueffer
State-Changed-When: Wed Oct 21 16:03:51 CEST 2009
State-Changed-Why: 
According to kib this is intentional. POLL_ERR is not implemented,
so it is simply mapped to POLL_HUP for now.

http://www.freebsd.org/cgi/query-pr.cgi?pr=126076