[gtk+] Add a forgotten static

[Matthias Clasen <matthiasc src gnome org>]

commit dc8d64d6f277a23bf014132897f48a0f190cf79e
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 8 23:43:31 2011 -0400

    Add a forgotten static

 gtk/a11y/gtklabelaccessible.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/a11y/gtklabelaccessible.c b/gtk/a11y/gtklabelaccessible.c
index b839fd0..fda3f52 100644
--- a/gtk/a11y/gtklabelaccessible.c
+++ b/gtk/a11y/gtklabelaccessible.c
@@ -151,7 +151,7 @@ gtk_label_accessible_ref_state_set (AtkObject *accessible)
   return state_set;
 }
 
-AtkRelationSet *
+static AtkRelationSet *
 gtk_label_accessible_ref_relation_set (AtkObject *obj)
 {
   GtkWidget *widget;