Log Message:
-----------
Clarify name of file to be checked for PITR expiring.
Tags:
----
REL8_0_STABLE
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.54.4.2 -> r2.54.4.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml.diff?r1=2.54.4.2&r2=2.54.4.3)