libxml2: bump to version 2.9.8

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 889d904f8ad85ad3aeb6bf696a2f125c9deeb44e)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libxml2/libxml2.hash

@@ -1,4 +1,4 @@
 # Locally calculated after checking pgp signature
-sha256	f63c5e7d30362ed28b38bfa1ac6313f9a80230720b7fb6c80575eeab3ff5900c	libxml2-2.9.7.tar.gz
+sha256	0b74e51595654f958148759cfef0993114ddccccbb6f31aee018f3558e8e2732	libxml2-2.9.8.tar.gz
 # License files, locally calculated
 sha256	c5c63674f8a83c4d2e385d96d1c670a03cb871ba2927755467017317878574bd	COPYING

package/libxml2/libxml2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBXML2_VERSION = 2.9.7
+LIBXML2_VERSION = 2.9.8
 LIBXML2_SITE = ftp://xmlsoft.org/libxml2
 LIBXML2_INSTALL_STAGING = YES
 LIBXML2_LICENSE = MIT