--- ./a/libgda/gda-server-provider.h	2012-12-30 22:54:31.992035596 +0100
+++ ./a/libgda/gda-server-provider.h	2012-12-30 22:54:38.548981805 +0100
@@ -303,7 +303,7 @@ 
 typedef void (*GdaServerProviderExecCallback) (GdaServerProvider *provider, GdaConnection *cnc, guint task_id, 
 					       GObject *result_obj, const GError *error, gpointer data);
 
-#define GDA_SERVER_PROVIDER_UNDEFINED_LIMITING_THREAD ((gpointer)0x1)
+#define GDA_SERVER_PROVIDER_UNDEFINED_LIMITING_THREAD (0x1)
 struct _GdaServerProviderClass {
 	GObjectClass parent_class;