i18n: make column positioning message of MQ summary output translatable Before this patch, one of column positioning messages of MQ summary output is not translatable, and patches are always listed up at fixed column position like below, when patch queue is not empty: mq: 1 applied, 1 unapplied But column positioning messages for other summarized information are translatable, so other information may be displayed at different column position on non-English locale environments. This patch makes column positioning message of MQ summary output translatable.