Description:
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When i do not pass the second parameter to the new finfo() constructor (or pass NULL), it is supposed to load it's internal database but it doesn't load that. it just sais:
Warning: finfo::file(): Failed identify data 0:no magic files loaded.

It does the same, if i pass the /etc/magic.mime, but that file appears to be empty.

PS: i didn't find the PHP version in the dropdown, my PHP Version 5.6.4-4ubuntu6
PS2: I also didn't find the Fileinfo package in the 'Package Affected' dropdown (it is in the Advanced search, but not in the Report a Bug form)


Test script:
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$finfo = new finfo(FILEINFO_MIME);
$mime = $finfo->file('/path/to/file');

Expected result:
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it should produce the file mime type

Actual result:
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Warning is thrown