[gtk+] window: Make sure an event has a display

[Timm Bäder <baedert src gnome org>]

commit fcbbaae63c8b3587a75c2d017ec3e1c3870d2e07
Author: Timm Bäder <mail baedert org>
Date:   Mon Dec 18 21:58:53 2017 +0100

    window: Make sure an event has a display
    
    This fixes a crash happening later on when something tries to access the
    event's display.

 gtk/gtkwindow.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 23b1d2b..fa91e87 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -7639,6 +7639,7 @@ do_focus_change (GtkWidget *widget,
         continue;
 
       fevent = gdk_event_new (GDK_FOCUS_CHANGE);
+      gdk_event_set_display (fevent, gtk_widget_get_display (widget));
 
       fevent->any.type = GDK_FOCUS_CHANGE;
       fevent->any.window = window;