Update for clamav to version 0.97.8.
New clamav version 0.97.8 (bnc#816865):
* CVE-2013-2020: Fix heap corruption
* CVE-2013-2021: Fix overflow due to PDF key length computation.
- Submitted by Stefan Lijewski (lijews)
New clamav version 0.97.8 (bnc#816865):
* CVE-2013-2020: Fix heap corruption
* CVE-2013-2021: Fix overflow due to PDF key length computation.