[gdm: 2/2] Merge branch 'deduplicate-after-collecting' into 'master'

[Ray Strode <halfline src gnome org>]

commit 187c85153b020eed89ed8ad5eebcfa52378aa090
Merge: 820f90f5 beee85a6
Author: Ray Strode <halfline gmail com>
Date:   Fri Mar 15 18:44:22 2019 +0000

    Merge branch 'deduplicate-after-collecting' into 'master'
    
    libgdm: Remove duplicate sessions once, after all sessions have been processed
    
    Closes #473
    
    See merge request GNOME/gdm!65

 libgdm/gdm-sessions.c | 47 +++++++++++++++++++++++++++++++----------------
 1 file changed, 31 insertions(+), 16 deletions(-)
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