cyclicdeadline: Free allocated resources at exit

Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: John Kacur <jkacur@redhat.com>

src/sched_deadline/cyclicdeadline.c

@@ -1261,6 +1261,10 @@ int main (int argc, char **argv)
 		}
 	}
 
-	free(setcpu_buf);
+	if (setcpu_buf)
+		free(setcpu_buf);
+	free(thread);
+	free(sched_data);
+
 	return 0;
 }