MFC r276527,r277648:

r276527:

Don't install h_raw if dealing with clang 3.5.0+ to unbreak the tests2 Jenkins
job

The h_raw application doesn't do proper bounds checking without the option
being supplied via the build, which means that it doesn't throw signals and
fail as expected

PR: 196430

r277648 (by jilles):

Enable utimensat tests from NetBSD.

As with other tests from c063, a required #include <sys/stat.h> was missing.