[PULL] Minor bug-fixes discovered by static analysis.

[Ian Romanick]

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Peter Hutterer wrote:

> fwiw, I find it a lot easier to review patches that land on the mailing list
> than a pull request where I have to go off, pull into my tree, review and
> then copy/paste segments from the patch to be able to add comments.  it also
> makes it harder to track when something has changed, since a tree doesn't
> usually contain the "Patch v3" part of it.

Right.  I was under the impression that pull requests were for code that
had been reviewed and was ready to go.
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