[gnome-system-tools] Remove GtkObject use

[Milan Bouchet-Valat <milanbv src gnome org>]

commit 78f98416234fc5fe0c2d8c9a08993e4d2b6f50ef
Author: Milan Bouchet-Valat <nalimilan club fr>
Date:   Sat Dec 11 19:55:19 2010 +0100

    Remove GtkObject use
    
    gtk_adjustment_new() returns a GtkAdjustment in GTK3.

 src/services/service-settings-table.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/services/service-settings-table.c b/src/services/service-settings-table.c
index 638a9c2..2cdd5fe 100644
--- a/src/services/service-settings-table.c
+++ b/src/services/service-settings-table.c
@@ -167,7 +167,7 @@ add_columns (GtkWidget    *table,
 {
 	GtkTreeModel *combo_model;
 	GtkCellRenderer *renderer;
-	GtkObject *adjustment;
+	GtkAdjustment *adjustment;
 
 	/* runlevel name */
 	renderer = gtk_cell_renderer_text_new ();