branch master updated (238f3a3 -> dbe64d1)

[Mark H. Weaver]

mhw pushed a change to branch master
in repository guix.

      from  238f3a3   gnu: dovecot: Fix CVE-2017-15132.
       new  f888d5bb  gnu: address@hidden: Update to 7.3.0.
       new  dbe64d1   gnu: linux-libre: Add retpoline support on x86 [mitigates 
spectre].

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/packages/gcc.scm   | 6 +++---
 gnu/packages/linux.scm | 8 ++++++++
 2 files changed, 11 insertions(+), 3 deletions(-)