Drop gtk_render_slider from headers

The function does not exist.

diff --git a/gtk/gtkrender.h b/gtk/gtkrender.h
index 7e4b0b5f15d4e24e0d6aaec99ea2febd74cf7c77..2d70770ece3d46be5a1e99b89adf8bb320c2eca5 100644 (file)
--- a/gtk/gtkrender.h
+++ b/gtk/gtkrender.h
@@ -95,14 +95,6 @@ void        gtk_render_line        (GtkStyleContext     *context,
                                     double               x1,
                                     double               y1);
 GDK_AVAILABLE_IN_ALL
-void        gtk_render_slider      (GtkStyleContext     *context,
-                                    cairo_t             *cr,
-                                    double               x,
-                                    double               y,
-                                    double               width,
-                                    double               height,
-                                    GtkOrientation       orientation);
-GDK_AVAILABLE_IN_ALL
 void        gtk_render_handle      (GtkStyleContext     *context,
                                     cairo_t             *cr,
                                     double               x,