Обсуждение: pgsql: Now that the diskchecker.pl author has updated the download link

Now that the diskchecker.pl author has updated the download link on his
website, revert the separate link to the download git repository.

Backpatch from 9.0 to current.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/04d2956f0df0d95da3dd2d202b9482d24822cc71

Modified Files
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doc/src/sgml/wal.sgml |    6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)