[pango] utils: Add missing prototype for pango_config_key_get_system()

[Colin Walters <walters src gnome org>]

commit ee3537107a0bc41d5e5b2dc5c71106dec42ad144
Author: Fabian Groffen <grobian gentoo org>
Date:   Sat Jun 16 09:19:25 2012 -0400

    utils: Add missing prototype for pango_config_key_get_system()
    
    Commit message written by Colin Walters <walters verbum org>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=667960

 pango/pango-utils.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/pango/pango-utils.h b/pango/pango-utils.h
index f86c662..188ea50 100644
--- a/pango/pango-utils.h
+++ b/pango/pango-utils.h
@@ -42,6 +42,7 @@ gboolean pango_scan_int       (const char **pos,
 			       int         *out);
 
 #ifdef PANGO_ENABLE_BACKEND
+char *   pango_config_key_get_system (const char *key);
 char *   pango_config_key_get (const char  *key);
 void     pango_lookup_aliases (const char   *fontname,
 			       char       ***families,