Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/main.cc

Index: third_party/harfbuzz-ng/src/main.cc
diff --git a/third_party/harfbuzz-ng/src/main.cc b/third_party/harfbuzz-ng/src/main.cc
index 8126daec234fe379e0c226d7022e6b217af53e13..442b1b9acfaf24ede6cda559382428bd7c1e2fe9 100644
--- a/third_party/harfbuzz-ng/src/main.cc
+++ b/third_party/harfbuzz-ng/src/main.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007,2008,2009  Red Hat, Inc.
+ * Copyright © 2007,2008,2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
@@ -24,9 +24,9 @@
  * Red Hat Author(s): Behdad Esfahbod
  */
 
-#define HB_OT_LAYOUT_CC
+#include "hb-mutex-private.hh"
 #include "hb-open-file-private.hh"
-#include "hb-ot-layout-gdef-private.hh"
+#include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsubgpos-private.hh"
 
 #ifdef HAVE_GLIB
@@ -35,7 +35,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-HB_BEGIN_DECLS
 
 
 int
@@ -193,4 +192,3 @@ main (int argc, char **argv)
 }
 
 
-HB_END_DECLS