Sergey Biryukov fd16ae485b Avoid a PHP notice in bundled themes if no images were found.
props nabil_kadimi.
fixes .
Built from https://develop.svn.wordpress.org/trunk@28585


git-svn-id: http://core.svn.wordpress.org/trunk@28410 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2014-05-27 10:55:30 +00:00
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