[libgd] icon-utils: Use GTK macro instead of hardcoded int

[Bastien Nocera <hadess src gnome org>]

commit 974d79347be94a541daab223f8c790ed93a3c4b8
Author: astian <astian eclipso at>
Date:   Wed Jul 19 21:50:48 2017 +0000

    icon-utils: Use GTK macro instead of hardcoded int
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785159

 libgd/gd-icon-utils.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/libgd/gd-icon-utils.c b/libgd/gd-icon-utils.c
index 1655bf9..6c9dd40 100644
--- a/libgd/gd-icon-utils.c
+++ b/libgd/gd-icon-utils.c
@@ -321,7 +321,9 @@ gd_embed_surface_in_frame (cairo_surface_t *source_image,
   gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
 
   gtk_style_context_set_path (context, path);
-  gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), 600);
+  gtk_style_context_add_provider (context,
+                                  GTK_STYLE_PROVIDER (provider),
+                                  GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 
   cairo_save (cr);
   cairo_rectangle (cr,