Quiet a few MSC compiler warnings.

Andrew Dunstan <andrew@dunslane.net>

Commit: 33a7101281c6d5c3905b311ed690024ca6a673c6
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2012-10-07T21:31:10Z
Releases: 9.3.0
Quiet a few MSC compiler warnings.

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