fontconfig: Fix define for HAVE_POSIX_FADVISE

Otherwise, there would be build errors in the following 2 cases:
* define HAVE_POSIX_FADVISE
Or:
* undef HAVE_POSIX_FADVISE

(From OE-Core rev: 6452ccd1f0a2b114fca70d587cb8ed26b189baf3)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/fontconfig/fontconfig/0001-src-fccache.c-Fix-define-for-HAVE_POSIX_FADVISE.patch

@@ -0,0 +1,33 @@
+From ab9522177a8396a51812fdbebb6387df451a8499 Mon Sep 17 00:00:00 2001
+From: Robert Yang <liezhi.yang@windriver.com>
+Date: Mon, 24 Dec 2018 11:03:58 +0800
+Subject: [PATCH] src/fccache.c: Fix define for HAVE_POSIX_FADVISE
+
+Otherwise, there would be build errors in the following 2 cases:
+* define HAVE_POSIX_FADVISE
+Or:
+* undef HAVE_POSIX_FADVISE
+
+Upstream-Status: Pending
+
+Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
+---
+ fccache.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/fccache.c b/src/fccache.c
+index 6f3c68a..85cc4b4 100644
+--- a/src/fccache.c
++++ b/src/fccache.c
+@@ -700,7 +700,7 @@ FcDirCacheMapFd (FcConfig *config, int fd, struct stat *fd_stat, struct stat *di
+     {
+ #if defined(HAVE_MMAP) || defined(__CYGWIN__)
+ 	cache = mmap (0, fd_stat->st_size, PROT_READ, MAP_SHARED, fd, 0);
+-#if (HAVE_POSIX_FADVISE) && defined(POSIX_FADV_WILLNEED)
++#if defined(HAVE_POSIX_FADVISE) && defined(POSIX_FADV_WILLNEED)
+ 	posix_fadvise (fd, 0, fd_stat->st_size, POSIX_FADV_WILLNEED);
+ #endif
+ 	if (cache == MAP_FAILED)
+-- 
+2.7.4
+

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

@@ -23,6 +23,7 @@ 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 \
+           file://0001-src-fccache.c-Fix-define-for-HAVE_POSIX_FADVISE.patch \
            "
 
 SRC_URI[md5sum] = "00e748c67fad11e7057a71ed385e8bdb"