[gtk+] toolbar: Fix compilation warnings - missing cast

[Benjamin Otte <otte src gnome org>]

commit 65dee4e31be333f310442f28c14edd4b61104a82
Author: Benjamin Otte <otte redhat com>
Date:   Tue Sep 28 18:26:23 2010 +0200

    toolbar: Fix compilation warnings - missing cast

 gtk/gtktoolbar.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktoolbar.c b/gtk/gtktoolbar.c
index bc91bff..3a3d7af 100644
--- a/gtk/gtktoolbar.c
+++ b/gtk/gtktoolbar.c
@@ -3390,7 +3390,7 @@ toolbar_content_get_state (ToolbarContent *content)
 static gboolean
 toolbar_content_child_visible (ToolbarContent *content)
 {
-  return gtk_widget_get_child_visible (content->item);
+  return gtk_widget_get_child_visible (GTK_WIDGET (content->item));
 }
 
 static void