[gtk/cherry-pick-b42d99b3] Merge branch 'zbrown/emit-transient-for' into 'master'

[Adrien Plazas <aplazas src gnome org>]

commit a3818247d9f188fe544c574495e7e896d354cc89
Author: Timm Bäder <mail baedert org>
Date:   Tue Nov 20 11:29:18 2018 +0000

    Merge branch 'zbrown/emit-transient-for' into 'master'
    
    window: Actually emit notify::transient-for
    
    See merge request GNOME/gtk!424
    
    (cherry picked from commit b42d99b37e20c6c7fa20e1467dcba7f8dde183f1)
    
    ea487b22 window: Actually emit notify::transient-for

 gtk/gtkwindow.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index a304da2a20..0ee06f719e 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -3341,6 +3341,8 @@ gtk_window_set_transient_for  (GtkWindow *window,
     }
 
   update_window_buttons (window);
+
+  g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_TRANSIENT_FOR]);
 }
 
 /**