[libchamplain] Use cached source when switching map sources.

[Pierre-Luc Beaudoin <plbeaudoin src gnome org>]

commit ba7b3c6758443a52965f42e917143f72f89918e8
Author: JiÅ?í Techet <techet gmail com>
Date:   Fri Jan 29 00:21:26 2010 +0100

    Use cached source when switching map sources.
    
    Signed-off-by: JiÅ?í Techet <techet gmail com>

 demos/launcher-gtk.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/demos/launcher-gtk.c b/demos/launcher-gtk.c
index b861f68..6070114 100644
--- a/demos/launcher-gtk.c
+++ b/demos/launcher-gtk.c
@@ -84,7 +84,7 @@ map_source_changed (GtkWidget *widget,
   gtk_tree_model_get (model, &iter, COL_ID, &id, -1);
 
   ChamplainMapSourceFactory *factory = champlain_map_source_factory_dup_default ();
-  source = champlain_map_source_factory_create (factory, id);
+  source = champlain_map_source_factory_create_cached_source (factory, id);
 
   g_object_set (G_OBJECT (view), "map-source", source, NULL);
   g_object_unref (factory);