Security update for snack (important)

This update for snack fixes the following issues:

Security issue 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, allows 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)