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svn:author
V 3
gnn
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svn:date
V 27
2012-01-18T21:54:34.070634Z
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svn:log
V 251
MFC: 229965

Fix for PR 138526.

Add the ability for /dev/null and /dev/zero to accept
being set into non blocking mode via fcntl().  This
brings the code into compliance with IEEE Std 1003.1-2001
as referenced in another PR, 94729.

Reviewed by:	jhb

END