[gtk+] Remove an unused internal export

[Matthias Clasen <matthiasc src gnome org>]

commit 1331740dd65bc1c05d93c9461115dcaac5ee6fa7
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 9 00:22:13 2014 -0400

    Remove an unused internal export
    
    _gtk_scrolled_window_get_scrollbar_spacing is only used in
    gtkscrolledwindow.c, so keep it there.

 gtk/gtkscrolledwindow.c |    3 ++-
 gtk/gtkscrolledwindow.h |    2 --
 2 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index aec8720..ff3ff06 100644
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -283,6 +283,7 @@ static gboolean _gtk_scrolled_window_get_overshoot (GtkScrolledWindow *scrolled_
                                                     gint              *overshoot_y);
 
 static void     gtk_scrolled_window_start_deceleration (GtkScrolledWindow *scrolled_window);
+static gint     _gtk_scrolled_window_get_scrollbar_spacing (GtkScrolledWindow *scrolled_window);
 
 static guint signals[LAST_SIGNAL] = {0};
 
@@ -2858,7 +2859,7 @@ gtk_scrolled_window_add_with_viewport (GtkScrolledWindow *scrolled_window,
  * 
  * Returns: the spacing, in pixels.
  */
-gint
+static gint
 _gtk_scrolled_window_get_scrollbar_spacing (GtkScrolledWindow *scrolled_window)
 {
   GtkScrolledWindowClass *class;
diff --git a/gtk/gtkscrolledwindow.h b/gtk/gtkscrolledwindow.h
index d666f3a..bbe9ee0 100644
--- a/gtk/gtkscrolledwindow.h
+++ b/gtk/gtkscrolledwindow.h
@@ -204,8 +204,6 @@ void           gtk_scrolled_window_set_capture_button_press (GtkScrolledWindow
 GDK_AVAILABLE_IN_3_4
 gboolean       gtk_scrolled_window_get_capture_button_press (GtkScrolledWindow      *scrolled_window);
 
-gint _gtk_scrolled_window_get_scrollbar_spacing (GtkScrolledWindow *scrolled_window);
-
 
 G_END_DECLS