[gnome-desktop] Created tag 3.31.92

[Javier Jardón Cabezas <jjardon src gnome org>]

The signed tag '3.31.92' was created.

Tagger: Javier Jardón <jjardon gnome org>
Date: 1552030580 -0800

    3.31.92

Changes since the last tag '3.31.91':

Asier Sarasua Garmendia (1):
      Update Basque translation

Javier Jardón (1):
      3.31.92

Jeremy Bicha (2):
      tests: Use uselocale instead of setlocale
      tests: unset language-related environment variables

Michael Catanzaro (4):
      tests: Further improve uselocale useage
      tests: Convert second wall clock test to uselocale
      gnome-languages: Use uselocale to avoid threadsafety issues
      Revert "gnome-languages: Use uselocale to avoid threadsafety issues"

Sveinn í Felli (1):
      Update Icelandic translation

Tor Hedin Brønner (1):
      thumbnail: Only mount fontconfig cache if it exists