[check_postgres] Patch for multi-slony status check

[Greg Sabino Mullane]

> It is based on search_path instead of explicit the schema to look 
> for sl_status and sl_node in database.

Won't this break check_postgres for people who are currently 
using the action? At the very least we need to aim for 
backwards compatibility with the flag (i.e. "--schema").

-- 
Greg Sabino Mullane greg at endpoint.com
End Point Corporation
PGP Key: 0x14964AC8
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