[gnome-alsamixer] Remove declared but undefined function

[Bastien Nocera <hadess src gnome org>]

commit 373647652fb4b9adfbf9f257f356c2f124b37b36
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jun 26 15:00:12 2012 +0100

    Remove declared but undefined function

 src/gam-slider.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/gam-slider.c b/src/gam-slider.c
index 9e3d53c..34ee7b7 100644
--- a/src/gam-slider.c
+++ b/src/gam-slider.c
@@ -81,7 +81,6 @@ static gint     gam_slider_capture_button_toggled_cb (GtkWidget             *wid
                                                       GamSlider             *gam_slider);
 static gint     gam_slider_refresh                   (snd_mixer_elem_t      *elem,
                                                       guint                  mask);
-static void     gam_slider_real_refresh              (GamSlider             *gam_slider);
 static gint     gam_slider_get_widget_position       (GamSlider             *gam_slider,
                                                       GtkWidget             *widget);