[gdm: 3/3] Merge branch 'benzea/fix-multiple-greeter-sessions' into 'master'

[Benjamin Berg <bberg src gnome org>]

commit 407f0d5f5deb1d739b791468cf74ac6bc45ae79c
Merge: 20906854 febeb9a9
Author: Benjamin Berg <benjamin sipsolutions net>
Date:   Wed Apr 22 18:31:52 2020 +0000

    Merge branch 'benzea/fix-multiple-greeter-sessions' into 'master'
    
    manager: Try looking up session based on PID first
    
    See merge request GNOME/gdm!90

 NEWS                        |  3 +++
 common/gdm-common.c         | 30 ++++++++++++++++++++++++++----
 common/gdm-common.h         |  7 ++++---
 daemon/gdm-manager.c        |  2 +-
 daemon/gdm-session.c        | 26 ++++++++++++++++++--------
 libgdm/gdm-user-switching.c |  2 +-
 6 files changed, 53 insertions(+), 17 deletions(-)
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