Fix the port of the NetBSD 19990120-accept fix.  I misread a piece of code when examining their fix, which caused my code (in rev 1.52) to: - panic("soaccept: !NOFDREF") - fatal trap 12, with tracebacks going thru soclose and soaccept
Fix the port of the NetBSD 19990120-accept fix.  I misread a piece of
code when examining their fix, which caused my code (in rev 1.52) to:
- panic("soaccept: !NOFDREF")
- fatal trap 12, with tracebacks going thru soclose and soaccept

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