cfg: Free new_config interfaces on failure

new_config interfaces was freed on success, but not if some previous
configuration step failed.

Solution is to move free of interfaces to same point as where
orig_interfaces are freed.

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
Reviewed-by: Christine Caulfield <ccaulfie@redhat.com>

exec/cfg.c

@@ -827,7 +827,6 @@ static void message_handler_req_exec_cfg_reload_config (
 	/* Copy into live system */
 	totempg_put_config(&new_config);
 	totemconfig_commit_new_params(&new_config, temp_map);
-	free(new_config.interfaces);
 
 reload_fini:
 	/* All done - let clients know */
@@ -836,6 +835,7 @@ reload_fini:
 	icmap_set_uint8("config.reload_in_progress", 0);
 
 	/* Finished with the temporary storage */
+	free(new_config.interfaces);
 	free(new_config.orig_interfaces);
 
 reload_fini_nofree: