util-linux-ng security, bug fix and enhancement update

2.17.2-12.9 - fix 892471 - CVE-2013-0157 mount folder existence information disclosure 2.17.2-12.8 - fix 679833 - RFE tailf should support - fix 719927 - RFE add adjtimex --compare functionality to hwclock - fix 730272 - losetup does not warn if backing file is 512 bytes - fix 730891 - document...