Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/hb-ot-tag.h

 /*
- * Copyright (C) 2009  Red Hat, Inc.
+ * Copyright © 2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
  *
  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  * DAMAGE.
  *
  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
  * Red Hat Author(s): Behdad Esfahbod
  */
 
 #ifndef HB_OT_TAG_H
 #define HB_OT_TAG_H
 
 #include "hb-common.h"
-#include "hb-language.h"
 
 HB_BEGIN_DECLS
 
 
 #define HB_OT_TAG_DEFAULT_SCRIPT        HB_TAG ('D', 'F', 'L', 'T')
 #define HB_OT_TAG_DEFAULT_LANGUAGE      HB_TAG ('d', 'f', 'l', 't')
 
-const hb_tag_t *
-hb_ot_tags_from_script (hb_script_t script);
+void
+hb_ot_tags_from_script (hb_script_t  script,
+                        hb_tag_t    *script_tag_1,
+                        hb_tag_t    *script_tag_2);
 
 hb_script_t
 hb_ot_tag_to_script (hb_tag_t tag);
 
 hb_tag_t
 hb_ot_tag_from_language (hb_language_t language);
 
 hb_language_t
 hb_ot_tag_to_language (hb_tag_t tag);
 
 
 HB_END_DECLS
 
 #endif /* HB_OT_TAG_H */