Merge branch 'master' into core-updates
gnu: unzip: Add fixes for CVE-2014-{8139,8140,8141}.
* gnu/packages/patches/unzip-CVE-2014-8139.patch,
gnu/packages/patches/unzip-CVE-2014-8140.patch,
gnu/packages/patches/unzip-CVE-2014-8141.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/zip.scm (unzip): Add patches.