[gtk+/gtk-2-24] Add missing return type

[Matthias Clasen <matthiasc src gnome org>]

commit 47b2868a087ff1dbf34c4c76df3bbc002a19c979
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jan 30 23:58:44 2011 -0500

    Add missing return type
    
    Pointed out by Chun-wei Fan
    https://bugzilla.gnome.org/show_bug.cgi?id=640992

 gtk/gtkrange.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index aba2d6e..fbd01ee 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -3970,6 +3970,7 @@ _gtk_range_get_stop_positions (GtkRange  *range,
  *
  * Since: 2.24
  */
+void
 gtk_range_set_round_digits (GtkRange *range,
                             gint      round_digits)
 {