branch security-updates created (now 71604e0)

[Mark H. Weaver]

mhw pushed a change to branch security-updates
in repository guix.

        at  71604e0   gnu: graphite2: Update to 1.3.5.  Update home-page and 
source URI.

This branch includes the following new commits:

       new  4eb496c   gnu: libgcrypt: Update to 1.6.5 [fixes CVE-2015-7511].
       new  770cfc3   gnu: libsndfile: Update to 1.0.26 [with follow-up fix 
CVE-2015-7805].
       new  71604e0   gnu: graphite2: Update to 1.3.5.  Update home-page and 
source URI.

The 3 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.