Call starpu_shutdown before exiting.

tests/datawizard/acquire_release2.c

@@ -93,16 +93,15 @@ int main(int argc, char **argv)
 	}
 
 	starpu_data_unregister(token_handle);
+
+	starpu_shutdown();
+
         FPRINTF(stderr, "Token: %u\n", token);
 	if (token == ntasks * 2)
 		return EXIT_SUCCESS;
 	else
 		return EXIT_FAILURE;
 
-	starpu_shutdown();
-
-	return EXIT_SUCCESS;
-
 enodev:
 	starpu_data_unregister(token_handle);
 	fprintf(stderr, "WARNING: No one can execute this task\n");