Fix PQconninfoParse error message handling

Peter Eisentraut <peter_e@gmx.net>

Commit: bdbb1d673834ef7af16d97158d9d0006b17949f7
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2013-07-16T00:08:41Z
Releases: 9.3.0
Fix PQconninfoParse error message handling

The returned error message already includes a newline, but the callers
were adding their own when printing it out.

Files