harfbuzz: bump to version 0.9.40

Also add hash file.
And do an autoreconf run since otherwise the libtool patch fails.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/harfbuzz/harfbuzz.hash

@@ -0,0 +1,2 @@
+# From http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-0.9.40.tar.bz2.sha256
+sha256	1771d53583be6d91ca961854b2a24fb239ef0545eed221ae3349abae0ab8321f	harfbuzz-0.9.40.tar.bz2

package/harfbuzz/harfbuzz.mk

@@ -4,14 +4,15 @@
 #
 ################################################################################
 
-HARFBUZZ_VERSION = 0.9.22
+HARFBUZZ_VERSION = 0.9.40
 HARFBUZZ_SITE = http://www.freedesktop.org/software/harfbuzz/release
 HARFBUZZ_SOURCE = harfbuzz-$(HARFBUZZ_VERSION).tar.bz2
 HARFBUZZ_LICENSE = MIT, ISC (ucdn library)
 HARFBUZZ_LICENSE_FILES = COPYING src/hb-ucdn/COPYING
 HARFBUZZ_INSTALL_STAGING = YES
-
 HARFBUZZ_CONF_OPTS = --without-coretext --without-uniscribe --without-graphite2
+# beta libtool version
+HARFBUZZ_AUTORECONF = YES
 
 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
 # forgets to link test programs with -pthread breaking static link