Remove PIOLLHUP from the flags used to test for to set exceptfsd fd_set bits in select(2). It seems that historical behaviour is to not reporting exception on EOF, and several applications are broken.
Remove PIOLLHUP from the flags used to test for to set exceptfsd
fd_set bits in select(2). It seems that historical behaviour is to not
reporting exception on EOF, and several applications are broken.

Reported by:	Yoshihiko Sarumaru <ysarumaru gmail com>
Discussed with:	bde
PR:	ports/140934
MFC after:	2 weeks

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