SUSE-SU-2017:2850-1 Security update for libvirt

This update for libvirt fixes the following issues: Security issue fixed: - CVE-2017-1000256: Ensure TLS clients always verify the server certificate in the serial/TLS support. bsc1062563 Non security issue fixed: - libvirt-daemon-qemu requires libvirt-daemon-driver-storage bsc1062620...