Use gtk_box_new() instead gtk_[v|h]box_new()

tests/testwindows.c

@@ -798,7 +798,7 @@ main (int argc, char **argv)
 
   g_signal_connect (G_OBJECT (window), "delete-event", gtk_main_quit, NULL);
 
-  hbox = gtk_hbox_new (FALSE, 5);
+  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE, 5);
   gtk_container_add (GTK_CONTAINER (window), hbox);
   gtk_widget_show (hbox);
 
@@ -825,7 +825,7 @@ main (int argc, char **argv)
 			&black);
 			
   
-  vbox = gtk_vbox_new (FALSE, 5);
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE, 5);
   gtk_box_pack_start (GTK_BOX (hbox),
 		      vbox,
 		      FALSE, FALSE,