freetype: update to 2.4.11 which includes fixes for CVE-2012-{5668, 5669, 5670}

Multiple security issues were reported by Mateusz Jurczyk of Google
security team. These have been fixed in freetype 2.4.11. Details are as
follows.

* CVE-2012-5668: NULL Pointer Dereference in bdf_free_font
Bug: https://savannah.nongnu.org/bugs/?37905
Patch:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=9b6b5754b57c12b820e01305eb69b8863a161e5a

* CVE-2012-5669: Out-of-bounds read in _bdf_parse_glyphs
Bug: https://savannah.nongnu.org/bugs/?37906
Patch:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=07bdb6e289c7954e2a533039dc93c1c136099d2d

* CVE-2012-5670: Out-of-bounds write in _bdf_parse_glyphs
Bug: https://savannah.nongnu.org/bugs/?37907
Patch:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7f2e4f4f553f6836be7683f66226afac3fa979b8

For original e-mail and CVE assignment, see the following URLs:

http://www.openwall.com/lists/oss-security/2012/12/25/1
http://www.openwall.com/lists/oss-security/2012/12/25/2

(From OE-Core rev: b693f6d3d48b281fbbf71fd56996c85e23c3a9c9)

Signed-off-by: Eren Türkay <eren@hambedded.org>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/freetype/freetype_2.4.11.bb

@@ -18,8 +18,8 @@ PR = "r0"
 SRC_URI = "${SOURCEFORGE_MIRROR}/freetype/freetype-${PV}.tar.bz2 \
            file://no-hardcode.patch"
 
-SRC_URI[md5sum] = "13286702e9390a91661f980608adaff1"
-SRC_URI[sha256sum] = "0c8e242c33c45928de560d7d595db06feb41d1b22167e37260ceabe72f9e992f"
+SRC_URI[md5sum] = "b93435488942486c8d0ca22e8f768034"
+SRC_URI[sha256sum] = "ef9d0bcb64647d9e5125dc7534d7ca371c98310fec87677c410f397f71ffbe3f"
 
 S = "${WORKDIR}/freetype-${PV}"