[gtk+/composite-templates] gtk: Fix exports for new symbols

[Juan Pablo Ugarte <jpu src gnome org>]

commit ebeeb2973d5b8e9bf4279411af6a4c3c8aad995a
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Wed Aug 29 08:17:36 2012 +0200

    gtk: Fix exports for new symbols

 gtk/gtk.symbols |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtk.symbols b/gtk/gtk.symbols
index 370923a..04fdf73 100644
--- a/gtk/gtk.symbols
+++ b/gtk/gtk.symbols
@@ -757,6 +757,7 @@ gtk_css_section_get_type
 gtk_css_section_ref
 gtk_css_section_type_get_type
 gtk_css_section_unref
+gtk_css_value_bg_size_compute
 #ifdef G_OS_UNIX
 gtk_custom_paper_unix_dialog_get_type
 #endif