pgsql: Check that we've reached end-of-backup also when we're not perfo

Check that we've reached end-of-backup also when we're not performing
archive recovery.

It's possible to restore an online backup without recovery.conf, by simply
copying all the necessary WAL files to pg_xlog. "pg_basebackup -x" does that
too. That's the use case where this cross-check is useful.

Backpatch to 9.0. We used to do this in earlier versins, but in 9.0 the code
was inadvertently changed so that the check is only performed after archive
recovery.

Fujii Masao.

Branch
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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/eff933531e7f7d98ba02402c7821b0b7ea8f1d97

Modified Files
--------------
src/backend/access/transam/xlog.c |    8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)