[libgd] icon-utils: add missing prototype

[Cosimo Cecchi <cosimoc src gnome org>]

commit 643ad53887f6507a775c1f6e1cfbbbe4e939b043
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Jun 30 23:08:50 2015 -0700

    icon-utils: add missing prototype

 libgd/gd-icon-utils.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libgd/gd-icon-utils.h b/libgd/gd-icon-utils.h
index c5796f7..60415da 100644
--- a/libgd/gd-icon-utils.h
+++ b/libgd/gd-icon-utils.h
@@ -31,5 +31,9 @@ GdkPixbuf *gd_embed_image_in_frame (GdkPixbuf *source_image,
                                     const gchar *frame_image_url,
                                     GtkBorder *slice_width,
                                     GtkBorder *border_width);
+cairo_surface_t *gd_embed_surface_in_frame (cairo_surface_t *source_image,
+                                            const gchar *frame_image_url,
+                                            GtkBorder *slice_width,
+                                            GtkBorder *border_width);
 
 #endif /* __GD_CREATE_SYMBOLIC_ICON_H__ */