Fix ATF test failure

[Craig Rodrigues]

Hi,

Can we pull this:

https://github.com/jmmv/atf/commit/70126d013db25c72539803f19f7e00baddacdf51

directly into FreeBSD-HEAD?

This fix is needed to eliminate a test failure when running
"kyua test" in the /usr/test directory on FreeBSD-HEAD.

Thanks.
--
Craig