[gtk+] window: Unfreeze window on unmap

[Benjamin Otte <otte src gnome org>]

commit b9f55dfd634808ddec5b1a82769890e217b8eb46
Author: Benjamin Otte <otte redhat com>
Date:   Wed May 25 01:16:52 2016 +0200

    window: Unfreeze window on unmap
    
    Make sure to keep parity with the number of times we froze the window
    when we unmap it.
    Otherwise it will permanently stay frozen after being remapped.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=766643
    https://bugzilla.mozilla.org/show_bug.cgi?id=1225044

 gtk/gtkwindow.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 87e65ac..68dff16 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -6351,7 +6351,11 @@ gtk_window_unmap (GtkWidget *widget)
   gtk_widget_set_mapped (widget, FALSE);
   gdk_window_withdraw (gdk_window);
 
-  priv->configure_request_count = 0;
+  while (priv->configure_request_count > 0)
+    {
+      priv->configure_request_count--;
+      GDK_PRIVATE_CALL (gdk_window_thaw_toplevel_updates) (_gtk_widget_get_window (widget));
+    }
   priv->configure_notify_received = FALSE;
 
   /* on unmap, we reset the default positioning of the window,