kunit: tool: Enable CONFIG_FORTIFY_SOURCE under UML

Since commit ba38961a069b ("um: Enable FORTIFY_SOURCE"), it's possible
to run the FORTIFY tests under UML. Enable CONFIG_FORTIFY_SOURCE when
running with --alltests to gain additional coverage, and by default under
UML.

Signed-off-by: Kees Cook <keescook@chromium.org>
2 files changed