[BSA-064] Security Update for gnash

Gabriele Giacone uploaded new packages for gnash which fixed the
following security problem:

CVE-2012-1175

Tielei Wang from Georgia Tech Information Security Center discovered a
vulnerability in GNU Gnash which is caused due to an integer overflow
error and can be exploited to cause a heap-based buffer overflow by
tricking a user into opening a specially crafted SWF file.

For the stable distribution (squeeze), this problem has been fixed in
version 0.8.8-5+squeeze1.

For the squeeze-backports distribution, this problem has been fixed in
version 0.8.10-5~bpo60+1.

For the unstable distribution (sid), this problem has been fixed in
version 0.8.10-5.