Fix consistency in country_isbn in various locales and add comment to country_num in nr_ZA

	[BZ #21784]
	* locales/bo_CN (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/fa_IR (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/nan_TW@latin (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/nr_ZA (LC_ADDRESS): Add country_num.
	* locales/sr_RS (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/sr_RS@latin (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/ug_CN (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/yue_HK (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/zh_CN (LC_ADDRESS): Fix inconsistency in country_isbn.
	* locales/zh_TW (LC_ADDRESS): Fix inconsistency in country_isbn.