Fix misc typos in comments.

Heikki Linnakangas <heikki.linnakangas@iki.fi>

Commit: 5b075ae893a2b6eb42188463bbb76c6a141370a8
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: 2014-04-09T20:16:35Z
Releases: 9.4.0
Fix misc typos in comments.

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