[BSA-068] Security Update for freetype

I uploaded new packages for freetype which fixed the
following security problems:

CVE-2011-3439
FreeType allows remote attackers to execute arbitrary code or
cause a denial of service (memory corruption) via a crafted
font, a different vulnerability than CVE-2011-3256.

CVE-2011-3256
FreeType before 2.4.7 allows remote attackers to execute
arbitrary code or cause a denial of service (memory corruption)
via a crafted font, a different vulnerability than
CVE-2011-0226.

CVE-2011-0226
Integer signedness error in psaux/t1decode.c in FreeType before
2.4.6 allows remote attackers to execute arbitrary code or cause
a denial of service (memory corruption and application crash)
via a crafted Type 1 font.

For the squeeze-backports distribution the problems have been fixed in
version 2.4.8-1~bpo60+1.