redis: security bump to version 3.2.7
Release notes:
https://www.reddit.com/r/redis/comments/5r8wxn/redis_327_is_out_important_security_fixes_inside/
From the notes:
Upgrade urgency HIGH.
This release fixes important security and correctness issues. It is
especially important to upgrade for Redis Cluster users and for users
running Redis in their laptop since a cross-scripting attack is fixed in
this release.
[Peter: extend description]
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>