[gtk+] GtkRenderBorder: make one function static

[Cosimo Cecchi <cosimoc src gnome org>]

commit 9ba94849e884bbb1177d60ab25c0be3998ac3daf
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Nov 20 21:48:31 2015 -0800

    GtkRenderBorder: make one function static

 gtk/gtkrenderborder.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkrenderborder.c b/gtk/gtkrenderborder.c
index f533a0c..8271b22 100644
--- a/gtk/gtkrenderborder.c
+++ b/gtk/gtkrenderborder.c
@@ -247,7 +247,7 @@ gtk_border_image_compute_slice_size (GtkBorderImageSliceSize sizes[3],
   sizes[1].offset = sizes[0].size;
 }
 
-void
+static void
 gtk_border_image_render (GtkBorderImage   *image,
                          const double      border_width[4],
                          cairo_t          *cr,