[gdm] local-display-factory: add missing comma to fix user switching

[Ray Strode <halfline src gnome org>]

commit 60447f2016cd873b0a62a5885687d7b3a8538d11
Author: Ray Strode <rstrode redhat com>
Date:   Mon Apr 3 13:25:58 2017 -0400

    local-display-factory: add missing comma to fix user switching
    
    commit 4b47633b36a22195e7976a8e597862eff695ca86 refactored some code
    and inadvertently dropped an important comma, which broke user
    switching.
    
    This commit reintroduces the comma.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=780879

 daemon/gdm-local-display-factory.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/daemon/gdm-local-display-factory.c b/daemon/gdm-local-display-factory.c
index 70987c7..7a4643d 100644
--- a/daemon/gdm-local-display-factory.c
+++ b/daemon/gdm-local-display-factory.c
@@ -219,7 +219,7 @@ gdm_local_display_factory_create_transient_display (GdmLocalDisplayFactory *fact
 #endif
 
         g_object_set (display,
-                      "seat-id", "seat0"
+                      "seat-id", "seat0",
                       "allow-timed-login", FALSE,
                       NULL);