libvirt security update

0.10.2-62.0.1.el69.1 - Replace docs/et.png in tarball with blank image 0.10.2-62.el69.1 - util: Implement virFileReadHeaderFD CVE-2017-5715 - util: add virFileReadHeaderQuiet wrapper around virFileReadHeaderFD CVE-2017-5715 - util: introduce virHostCPUGetMicrocodeVersion CVE-2017-5715 - conf:...