* nis/nss_nisplus/nisplus-pwd.c (_nss_pwd_create_tablename):

* nis/nss_nisplus/nisplus-pwd.c (_nss_pwd_create_tablename):

	Renamed from _nss_create_tablename.  Export from file (but not DSO).
	(pwd_tablename_val): Renamed from tablename_val, mark hidden.
	(pwd_tablename_len): Renamed from tablename_len, mark hidden.
	Change all users.
	* nis/nss_nisplus/nisplus-spwd.c (_nss_create_tablename): Removed.
	Use _nss_pwd_create_tablename now.  Use pwd_tablename_val and
	pwd_tablename_len.  Remove unnecessary variables, general cleanup.

	* nis/nss_nisplus/nisplus-grp.c: Likewise.