[rhythmbox] Adapt to GtkObject removal in GTK3

[Matthias Clasen <matthiasc src gnome org>]

commit ad8a802e5e56ba8e29f3542e3099929784709991
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 27 11:57:18 2010 -0400

    Adapt to GtkObject removal in GTK3
    
    The changes here just avoid unneeded GtkObjectClass variables.
    
    Bug 630689

 sources/rb-sourcelist-model.c |    4 +---
 sources/rb-sourcelist.c       |   10 ++++------
 2 files changed, 5 insertions(+), 9 deletions(-)
---
diff --git a/sources/rb-sourcelist-model.c b/sources/rb-sourcelist-model.c
index bbc8eb3..fe563f1 100644
--- a/sources/rb-sourcelist-model.c
+++ b/sources/rb-sourcelist-model.c
@@ -152,10 +152,8 @@ static void
 rb_sourcelist_model_class_init (RBSourceListModelClass *class)
 {
 	GObjectClass   *o_class;
-	GtkObjectClass *object_class;
 
 	o_class = (GObjectClass *) class;
-	object_class = (GtkObjectClass *) class;
 
 	o_class->finalize = rb_sourcelist_model_finalize;
 
@@ -170,7 +168,7 @@ rb_sourcelist_model_class_init (RBSourceListModelClass *class)
 	 */
 	rb_sourcelist_model_signals[DROP_RECEIVED] =
 		g_signal_new ("drop_received",
-			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_OBJECT_CLASS_TYPE (class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (RBSourceListModelClass, drop_received),
 			      NULL, NULL,
diff --git a/sources/rb-sourcelist.c b/sources/rb-sourcelist.c
index da73899..8f42726 100644
--- a/sources/rb-sourcelist.c
+++ b/sources/rb-sourcelist.c
@@ -132,10 +132,8 @@ static void
 rb_sourcelist_class_init (RBSourceListClass *class)
 {
 	GObjectClass   *o_class;
-	GtkObjectClass *object_class;
 
 	o_class = (GObjectClass *) class;
-	object_class = (GtkObjectClass *) class;
 
 	o_class->constructed = rb_sourcelist_constructed;
 	o_class->finalize = rb_sourcelist_finalize;
@@ -176,7 +174,7 @@ rb_sourcelist_class_init (RBSourceListClass *class)
 	 */
 	rb_sourcelist_signals[SELECTED] =
 		g_signal_new ("selected",
-			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_OBJECT_CLASS_TYPE (class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (RBSourceListClass, selected),
 			      NULL, NULL,
@@ -195,7 +193,7 @@ rb_sourcelist_class_init (RBSourceListClass *class)
 	 */
 	rb_sourcelist_signals[DROP_RECEIVED] =
 		g_signal_new ("drop_received",
-			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_OBJECT_CLASS_TYPE (class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (RBSourceListClass, drop_received),
 			      NULL, NULL,
@@ -214,7 +212,7 @@ rb_sourcelist_class_init (RBSourceListClass *class)
 	 */
 	rb_sourcelist_signals[SOURCE_ACTIVATED] =
 		g_signal_new ("source_activated",
-			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_OBJECT_CLASS_TYPE (class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (RBSourceListClass, source_activated),
 			      NULL, NULL,
@@ -233,7 +231,7 @@ rb_sourcelist_class_init (RBSourceListClass *class)
 	 */
 	rb_sourcelist_signals[SHOW_POPUP] =
 		g_signal_new ("show_popup",
-			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_OBJECT_CLASS_TYPE (class),
 			      G_SIGNAL_RUN_LAST,
 			      G_STRUCT_OFFSET (RBSourceListClass, show_popup),
 			      NULL, NULL,