[gnome-shell] (2 commits) Non-fast-forward update to branch wip/carlosg/volatile-warnings

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/volatile-warnings' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  b7b8848... calendar-server: Drop "volatile" from g_once_init_enter() s
  11de5f7... hotplug-sniffer: Drop "volatile" from g_once_init_enter() s

Commits added to the branch:

  a0ca860... calendar-server: Drop "volatile" from g_once_init_enter() s
  3baa62e... hotplug-sniffer: Drop "volatile" from g_once_init_enter() s