fontconfig: update to 2.12.6

Add a patch to avoid crashing under qemu.

(From OE-Core rev: da1d9898e953207a7649dfa765dd37eea9baf55d)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/fontconfig/fontconfig/0001-src-fcxml.c-avoid-double-free-of-filename.patch

@@ -0,0 +1,28 @@
+From a163c81ac430cdc292add200f3e6a0c048be4d7e Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Wed, 11 Oct 2017 17:40:09 +0300
+Subject: [PATCH] src/fcxml.c: avoid double free() of filename
+
+It's also freed after bail1, so no need to do it here.
+
+Upstream-Status: Submitted [https://bugs.freedesktop.org/show_bug.cgi?id=103221]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ src/fcxml.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/src/fcxml.c b/src/fcxml.c
+index 19ce96a..edb6054 100644
+--- a/src/fcxml.c
++++ b/src/fcxml.c
+@@ -3398,7 +3398,6 @@ FcConfigParseAndLoad (FcConfig	    *config,
+ 
+     fd = FcOpen ((char *) filename, O_RDONLY);
+     if (fd == -1) {
+-	FcStrFree (filename);
+ 	goto bail1;
+     }
+ 
+-- 
+2.14.1
+

meta/recipes-graphics/fontconfig/fontconfig_2.12.6.bb

@@ -22,9 +22,12 @@ DEPENDS = "expat freetype zlib gperf-native"
 
 SRC_URI = "http://fontconfig.org/release/fontconfig-${PV}.tar.gz \
            file://revert-static-pkgconfig.patch \
+           file://0001-src-fcxml.c-avoid-double-free-of-filename.patch \
            "
-SRC_URI[md5sum] = "4fb01fc3f41760c41c69e37cc784b658"
-SRC_URI[sha256sum] = "fd5a6a663f4c4a00e196523902626654dd0c4a78686cbc6e472f338e50fdf806"
+
+SRC_URI[md5sum] = "00e748c67fad11e7057a71ed385e8bdb"
+SRC_URI[sha256sum] = "064b9ebf060c9e77011733ac9dc0e2ce92870b574cca2405e11f5353a683c334"
+
 
 do_configure_prepend() {
     # work around https://bugs.freedesktop.org/show_bug.cgi?id=101280