[ekiga/ds-gtk-application] CallWindow: Destroy CallWindow one time only.

[Damien Sandras <dsandras src gnome org>]

commit 857fc06ef0faf68da417fcd79e18b4c463759fc0
Author: Damien Sandras <dsandras seconix com>
Date:   Sat Dec 20 13:44:56 2014 +0100

    CallWindow: Destroy CallWindow one time only.
    
    This is enough ;)

 lib/engine/gui/gtk-frontend/call-window.cpp |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/lib/engine/gui/gtk-frontend/call-window.cpp b/lib/engine/gui/gtk-frontend/call-window.cpp
index 8c99f41..9e1d46a 100644
--- a/lib/engine/gui/gtk-frontend/call-window.cpp
+++ b/lib/engine/gui/gtk-frontend/call-window.cpp
@@ -122,6 +122,7 @@ struct _EkigaCallWindowPrivate
 
   GtkWidget *video_widget;
   bool fullscreen;
+  bool dead;
 
   GtkWidget *call_panel_toolbar;
   GtkWidget *settings_button;
@@ -987,6 +988,10 @@ ekiga_call_window_delete_event_cb (GtkWidget *widget,
 
   self = EKIGA_CALL_WINDOW (widget);
   g_return_val_if_fail (EKIGA_IS_CALL_WINDOW (self), false);
+  if (self->priv->dead)
+    return true;
+
+  self->priv->dead = true;
 
   /* Hang up or disable preview */
   if (self->priv->fullscreen) {
@@ -1659,6 +1664,7 @@ ekiga_call_window_init (EkigaCallWindow *self)
   self->priv->timeout_id = -1;
   self->priv->calling_state = Standby;
   self->priv->fullscreen = false;
+  self->priv->dead = false;
   self->priv->video_display_settings =
     boost::shared_ptr<Ekiga::Settings> (new Ekiga::Settings (VIDEO_DISPLAY_SCHEMA));