Update harfbuzz-ng to 0.9.27

third_party/harfbuzz-ng/src/hb-common.cc

 /*
  * Copyright © 2009,2010  Red Hat, Inc.
  * Copyright © 2011,2012  Google, 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
@@ skipping 10 matching lines @@
  * 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
  * Google Author(s): Behdad Esfahbod
  */
 
 #include "hb-private.hh"
 
-#include "hb-version.h"
-
 #include "hb-mutex-private.hh"
 #include "hb-object-private.hh"
 
 #include <locale.h>
 
 
 /* hb_options_t */
 
 hb_options_union_t _hb_options;
 
@@ skipping 186 matching lines @@
   }
 
   void finish (void) { free ((void *) lang); }
 };
 
 
 /* Thread-safe lock-free language list */
 
 static hb_language_item_t *langs;
 
+#ifdef HAVE_ATEXIT
 static inline
 void free_langs (void)
 {
   while (langs) {
     hb_language_item_t *next = langs->next;
     langs->finish ();
     free (langs);
     langs = next;
   }
 }
+#endif
 
 static hb_language_item_t *
 lang_find_or_insert (const char *key)
 {
 retry:
   hb_language_item_t *first_lang = (hb_language_item_t *) hb_atomic_ptr_get (&langs);
 
   for (hb_language_item_t *lang = first_lang; lang; lang = lang->next)
     if (*lang == key)
       return lang;
@@ skipping 311 matching lines @@
  *
  * Since: 1.0
  **/
 hb_bool_t
 hb_version_check (unsigned int major,
                   unsigned int minor,
                   unsigned int micro)
 {
   return HB_VERSION_CHECK (major, minor, micro);
 }