Wrap fpgetround() so internal calls to it (seen on arm, powerpc, and sh)
go direct instead of through the PLT.

ok millert@ kettenis@

It's been a quarter century: we can assume volatile is present with that name.

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code t

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.

OK deraadt@

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replace the stub ieeefp functions with the real working functions,
from NetBSD.