branch master updated (c521c8f -> 0c9c952)

[Leo Famulari]

lfam pushed a change to branch master
in repository guix.

      from  c521c8f   gnu: Add python-tempdir.
       new  2a0e3d1   gnu: libarchive: Fix CVE-2017-14502.
       new  0c9c952   gnu: libxslt: Fix CVE-2017-5029 and re-apply the fix for 
CVE-2016-4738.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/local.mk                                       |  2 +
 gnu/packages/backup.scm                            |  3 +-
 .../patches/libarchive-CVE-2017-14502.patch        | 40 +++++++++++
 gnu/packages/patches/libxslt-CVE-2017-5029.patch   | 82 ++++++++++++++++++++++
 gnu/packages/xml.scm                               | 15 +++-
 5 files changed, 140 insertions(+), 2 deletions(-)
 create mode 100644 gnu/packages/patches/libarchive-CVE-2017-14502.patch
 create mode 100644 gnu/packages/patches/libxslt-CVE-2017-5029.patch