More meaningful cleanup with making options parsing errors consistent.

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
diff --git a/testcases/kernel/syscalls/alarm/alarm06.c b/testcases/kernel/syscalls/alarm/alarm06.c
index 45a874d..d26ee2f 100644
--- a/testcases/kernel/syscalls/alarm/alarm06.c
+++ b/testcases/kernel/syscalls/alarm/alarm06.c
@@ -96,7 +96,7 @@
 	/* Parse standard options given to run the test. */
 	msg = parse_opts(ac, av, NULL, NULL);
 	if (msg != NULL) {
-		tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg);
+		tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
 	}
 
 	/* Perform global setup for test */