std.c: add correct SOMAXCONN for BSDs

Note the previous "28" here for openbsd was some kind of copy
error long ago.  That's the value of KERN.SOMAXCONN, which is an
entirely different thing.
9dc3fce4c4Brandon Black committed on 8/27/2025, 6:53:49 PM· committed by Alex Rønne Petersenparent9c3e09c
1 file changedLine totals unavailable