[gtk+] Don't export a private function

[Matthias Clasen <matthiasc src gnome org>]

commit f02dedde6d23a55373c02c867a995948b37361ac
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jun 15 20:05:49 2009 -0400

    Don't export a private function

 gtk/gtkdnd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkdnd.c b/gtk/gtkdnd.c
index 8d29efa..96fcb74 100644
--- a/gtk/gtkdnd.c
+++ b/gtk/gtkdnd.c
@@ -486,7 +486,7 @@ grab_dnd_keys (GtkWidget *widget,
   gdk_window_add_filter (NULL, root_key_filter, GDK_WINDOW_XID (window));
 }
 
-void
+static void
 ungrab_dnd_keys (GtkWidget *widget,
                  guint32    time)
 {