[libsoup] (4 commits) Non-fast-forward update to branch carlosgc/session-queue-source

[Carlos Garcia Campos <carlosgc src gnome org>]

The branch 'carlosgc/session-queue-source' 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:

  b25dd97... session: make SoupMessageQueueSource cancellable
  c1bb8a8... session: do not add queue sources for sync items
  ccd5bf1... session: create the queue sources when the first async item
  27996cc... session: do not kick the queue if there isn't any async ite

Commits added to the branch:

  8357fc4... session: use a weak ref of session in SoupMessageQueueSourc
  4507ac1... session: do not add queue sources for sync items
  998dff0... session: create the queue sources when the first async item
  1d5b651... session: do not kick the queue if there isn't any async ite