[weston] Some static analysis fixes

[Kristian Høgsberg]

On Wed, Dec 05, 2012 at 06:47:02PM +0000, Rob Bradford wrote:
> Here are some patches for some issues found with a static analysis tool. These
> issues are all pretty minor (the more serious issues were dealt with under my
> previous patch set and also a set from John Kåre Alsaker.)
> 
> For some of these issues the added complexity / code-churn may not be
> worth it - but i'll leave that decision in your hands.

Thanks Rob, all good fixes.

Kristian

> Cheerio,
> 
> Rob
> 
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