They don't precisely *pertain* to nvmutil, but they are
useful helper functions for calling pledge/unveil in
OpenBSD. Ideally, the main file should only contain core
logic pertaining to the execution of *nvmutil*.
Put xpledge() and xunveil() in nvmutil.h.
Signed-off-by: Leah Rowe <leah@libreboot.org>
Leah Rowe