[empathy] Fix gtk warning at startup when not compiled with libchamplain

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

commit d310cd8ea9d6cc233be3be9186a9f963748c77bb
Author: Pierre-Luc Beaudoin <pierre-luc pierlux com>
Date:   Wed May 20 13:21:43 2009 -0400

    Fix gtk warning at startup when not compiled with libchamplain
---
 src/empathy-main-window.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/empathy-main-window.c b/src/empathy-main-window.c
index 0ff054f..9d26137 100644
--- a/src/empathy-main-window.c
+++ b/src/empathy-main-window.c
@@ -1107,7 +1107,7 @@ empathy_main_window_show (void)
 	GtkWidget                *sw;
 	GtkToggleAction          *show_offline_widget;
 	GtkWidget                *ebox;
-	GtkWidget                *show_map_widget;
+	GtkAction                *show_map_widget;
 	GtkToolItem              *item;
 	gboolean                  show_offline;
 	gboolean                  show_avatars;
@@ -1169,7 +1169,7 @@ empathy_main_window_show (void)
 	g_object_unref (gui);
 
 #if !HAVE_LIBCHAMPLAIN
-	gtk_widget_hide (show_map_widget);
+	gtk_action_set_visible (show_map_widget, FALSE);
 #endif
 
 	window->mc = empathy_mission_control_dup_singleton ();