dict-client: When failing to resend commands after reconnect, their s…

…uccess is uncertain.

It's possible that the writes before the disconnection did actually finish
successfully. If any of them were commits, we need to return
DICT_COMMIT_RET_WRITE_UNCERTAIN.

src/lib-dict/dict-client.c

@@ -346,7 +346,7 @@ client_dict_cmd_send(struct client_dict *dict, struct client_dict_cmd **_cmd,
 	} else if (ret < 0) {
 		i_assert(error != NULL);
 		/* we didn't successfully send this command to dict */
-		dict_cmd_callback_error(cmd, error, FALSE);
+		dict_cmd_callback_error(cmd, error, cmd->reconnected);
 		client_dict_cmd_unref(cmd);
 		if (error_r != NULL)
 			*error_r = error;