xerces-c: Package update, QA fix and CVE-2016-0729

includes;
CVE-2016-0729: Apache Xerces-C XML Parser Crashes on Malformed Input

Also  fixes;

ERROR: xerces-c-3.1.3-r0 do_populate_sysroot: QA Issue: xerces-c.pc failed sanity test (tmpdir) in path /home/akuster/oss/maint/mylayers/poky/build/tmp/work/armv5e-poky-linux-gnueabi/xerces-c/3.1.3-r0/sysroot-destdir/usr/lib/pkgconfig [pkgconfig]

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>