Added some more coverity report patches send in by Joachim Wieland <joe@mcknight.de>.

Michael Meskes <meskes@postgresql.org>

Commit: a503fd36344c7c6a00198fdadb80205f1412c54d
Author: Michael Meskes <meskes@postgresql.org>
Date: 2006-06-26T09:20:30Z
Releases: 8.0.9
Added some more coverity report patches send in by Joachim Wieland <joe@mcknight.de>.

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