Log Message:
-----------
Update PITR mention of which WAL files are needed.
Tags:
----
REL8_0_STABLE
Modified Files:
--------------
pgsql/doc/src/sgml:
backup.sgml (r2.54.4.3 -> r2.54.4.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml.diff?r1=2.54.4.3&r2=2.54.4.4)