Security update for libvirt

Open Source Vulnerabilities SUSE-SU-2019:1637-1

This update for libvirt fixes the following issues: Security issues fixed: - CVE-2019-10161: Fixed virDomainSaveImageGetXMLDesc API which could accept a path parameter pointing anywhere on the system and potentially leading to execution of a malicious file with root privileges by libvirtd (bsc#1138301). - CVE-2019-10166: Fixed an issue with virDomainManagedSaveDefineXML which could have been used to alter the domain's config used for managedsave or execute arbitrary emulator binaries (bsc#1138302). - CVE-2019-10167: Fixed an issue with virConnectGetDomainCapabilities API which could have been used to execute arbitrary emulators (bsc#1138303). Other issue addressed: - spec: add systemd-container dependency to qemu and lxc drivers (bsc#1136109).