updating documentation to list more recent postgresql versions

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=39087a38a0626a176dd5c5983b8ad125c2d9f212

Modified Files
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doc/adminguide/prerequisites.sgml |    2 +-
1 files changed, 1 insertions(+), 1 deletions(-)