Enable basic stack canary.

Change-Id: Iee065af935e9276133779a4bd24089be065a0588
diff --git a/test/hftest/hftest_common.c b/test/hftest/hftest_common.c
index 1a48c74..5a3b348 100644
--- a/test/hftest/hftest_common.c
+++ b/test/hftest/hftest_common.c
@@ -125,7 +125,7 @@
 /**
  * Logs a failure message and shut down.
  */
-static noreturn void abort(void)
+noreturn void abort(void)
 {
 	HFTEST_LOG("FAIL");
 	arch_power_off();