[glib] (3 commits) Non-fast-forward update to branch wip/smcv/gdbus-sasl

[Simon McVittie <smcv src gnome org>]

The branch 'wip/smcv/gdbus-sasl' 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:

  c37f9ab... GDBusServer: Accept empty authorization identity for EXTERN
  cfffce9... gdbusauth: Represent empty data block as DATA\r\n, with no 
  4295014... tests: Add a test for GDBusServer with various simulated cl

Commits added to the branch:

  b51e3ab... GDBusServer: Accept empty authorization identity for EXTERN
  3f532af... gdbusauth: Represent empty data block as DATA\r\n, with no 
  bba9efd... tests: Add a test for GDBusServer with various simulated cl