[gjs: 2/2] Merge branch 'warning' into 'master'

[Philip Chimento <pchimento src gnome org>]

commit 26fb46e2cc8b3ee67a962481216cd5d5d69caa05
Merge: e679f1b1 d0cabd1e
Author: Philip Chimento <philip chimento gmail com>
Date:   Mon Feb 5 07:15:09 2018 +0000

    Merge branch 'warning' into 'master'
    
    CI: treat warnings as errors
    
    See merge request GNOME/gjs!62

 test/extra/do_jhbuild.sh | 17 ++++++++++++++++-
 test/test-ci.sh          |  8 +++++---
 2 files changed, 21 insertions(+), 4 deletions(-)
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