[ekiga] Hide call window when pressing call window icon in main window

[Eugen Dedu <ededu src gnome org>]

commit ed8587d197051aa52c15b73d0e53238c3d078645
Author: Eugen Dedu <eugen dedu univ-fcomte fr>
Date:   Fri Jan 23 12:39:08 2015 +0100

    Hide call window when pressing call window icon in main window

 lib/engine/gui/gtk-frontend/ekiga-app.cpp |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/lib/engine/gui/gtk-frontend/ekiga-app.cpp b/lib/engine/gui/gtk-frontend/ekiga-app.cpp
index d3e594e..7a7cf0d 100644
--- a/lib/engine/gui/gtk-frontend/ekiga-app.cpp
+++ b/lib/engine/gui/gtk-frontend/ekiga-app.cpp
@@ -380,8 +380,11 @@ video_preview_changed (GSettings *settings,
     gm_application_show_call_window (self);
     video_input_core->start_preview ();
   }
-  else
+  else {
     video_input_core->stop_preview ();
+    g_return_if_fail (self->priv->call_window);
+    gtk_window_close (GTK_WINDOW (self->priv->call_window));
+  }
 }