freetype: security bump to version 2.4.8

Bump freetype to version 2.4.8 to fix CVE-2011-3439.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/freetype/freetype.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-FREETYPE_VERSION = 2.4.7
+FREETYPE_VERSION = 2.4.8
 FREETYPE_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/freetype
 FREETYPE_SOURCE = freetype-$(FREETYPE_VERSION).tar.bz2
 FREETYPE_INSTALL_STAGING = YES