Update for Botan, Botan.2802, DirectFB, DirectFB... security low

Security update for audiofile

audiofile was updated to fix one security issue.

This security issue was fixed:
- CVE-2015-7747: Overflow when changing both number of channels and sample format (bsc#949399).

Fixed bugs
bnc#949399
VUL-1: CVE-2015-7747: audiofile: Re: CVE Request: Audio File Library
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