Security update for snack (important)

snack was updated to fix one security issue.

This security issue was fixed:

• CVE-2012-6303: Heap-based buffer overflow in the GetWavHeader function
  in generic/jkSoundFile.c in the Snack Sound Toolkit, as used in
  WaveSurfer 1.8.8p4, allowed remote attackers to cause a denial of
  service (crash) and possibly execute arbitrary code via a large chunk
  size in a WAV file (bnc#793860).