* gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt2.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt3.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt4.patch, gnu/packages/patches/cpio-CVE-2014-9112-pt5.patch: New files. * gnu-system.am (dist_patch_DATA): Add them. * gnu/packages/cpio.scm (cpio): Add patches. Add 'autoconf' to native-inputs.