freetype: bump to 2.5.5

Signed-off-by: Nicolas Thill <nico@openwrt.org>

libs/freetype/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2014 OpenWrt.org
+# Copyright (C) 2006-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=freetype
-PKG_VERSION:=2.5.3
+PKG_VERSION:=2.5.5
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@SF/freetype
-PKG_MD5SUM:=d6b60f06bfc046e43ab2a6cbfd171d65
+PKG_MD5SUM:=2a7a314927011d5030903179cf183be0
 
 PKG_LICENSE:=FTL GPL-2.0 MIT ZLIB
 PKG_LICENSE_FILES:=docs/LICENSE.TXT docs/FTL.TXT docs/GPLv2.TXT src/bdf/README src/pcf/README src/gzip/zlib.h