Adjust test. You're not supposed to change errno in a signal handler and
count on it being observable in the normal program flow after the signal
handler returns. Such code would break code that se

Adjust test. You're not supposed to change errno in a signal handler and
count on it being observable in the normal program flow after the signal
handler returns. Such code would break code that sets errno to 0 and
looks at its value later. With the recent futex(2) changes this particular
aspect of the test no longer passed.

ok deraadt@, bluhm@

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