[gtk+] gtkplacesview: dont invalidate headers if not necessary

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 9fe9b784974a83aa442ff84b3efb37864b8bc4c5
Author: Carlos Soriano <csoriano gnome org>
Date:   Sat Aug 29 21:10:37 2015 +0200

    gtkplacesview: dont invalidate headers if not necessary
    
    We were invalidating the headers after adding the placeholder
    row, but GtkListBox already update the header of that row in that
    case.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=754150

 gtk/gtkplacesview.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkplacesview.c b/gtk/gtkplacesview.c
index 9c34ffb..a508fce 100644
--- a/gtk/gtkplacesview.c
+++ b/gtk/gtkplacesview.c
@@ -880,9 +880,6 @@ update_network_state (GtkPlacesView *view)
       g_object_set_data (G_OBJECT (priv->network_placeholder),
                          "is-placeholder", GINT_TO_POINTER (TRUE));
       gtk_container_add (GTK_CONTAINER (priv->listbox), priv->network_placeholder);
-
-      gtk_widget_show_all (GTK_WIDGET (priv->network_placeholder));
-      gtk_list_box_invalidate_headers (GTK_LIST_BOX (priv->listbox));
     }
 
   if (gtk_places_view_get_fetching_networks (view))