xerces-c: mark as broken for i686

The reason why it fails is not obvious. It worked on travis-ci,
but it fails locally for i686 as well.

srcpkgs/xerces-c/template

@@ -13,6 +13,10 @@ homepage="http://xerces.apache.org/xerces-c/"
 distfiles="http://apache.mirror.digionline.de//xerces/c/3/sources/${pkgname}-${version}.tar.bz2"
 checksum=95d8655c4c50668ad60d555b59da9f31937b2c53638aa8d5768cb169f192d5e1
 
+case "$XBPS_TARGET_MACHINE" in
+	i686) broken=http://build.voidlinux.eu/builders/i686_builder/builds/18572/steps/shell_3/logs/stdio
+esac
+
 libxerces-c_package() {
 	short_desc+=" - shared library"
 	pkg_install() {