Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/hb-graphite2.h

Index: third_party/harfbuzz-ng/src/hb-graphite2.h
diff --git a/third_party/harfbuzz-ng/src/hb-graphite.h b/third_party/harfbuzz-ng/src/hb-graphite2.h
similarity index 75%
rename from third_party/harfbuzz-ng/src/hb-graphite.h
rename to third_party/harfbuzz-ng/src/hb-graphite2.h
index b5d1176ea5442dd6b7634fafc13c21eb2c70e75e..68bd019505921c235ec4fa036c942b583e0d8a58 100644
--- a/third_party/harfbuzz-ng/src/hb-graphite.h
+++ b/third_party/harfbuzz-ng/src/hb-graphite2.h
@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 2009, Martin Hosken
- * Copyright (C) 2009, SIL International
+ * Copyright (C) 2011  Martin Hosken
+ * Copyright (C) 2011  SIL International
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
@@ -21,13 +21,12 @@
  * 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_GRAPHITE_H
-#define HB_GRAPHITE_H
+#ifndef HB_GRAPHITE2_H
+#define HB_GRAPHITE2_H
 
+#include "hb-common.h"
 #include "hb-shape.h"
 
 HB_BEGIN_DECLS
@@ -35,13 +34,13 @@ HB_BEGIN_DECLS
 
 #define HB_GRAPHITE_TAG_Silf HB_TAG('S','i','l','f')
 
-void hb_graphite_shape (hb_font_t    *font,
-			hb_face_t    *face,
-			hb_buffer_t  *buffer,
-			hb_feature_t *features,
-			unsigned int  num_features);
-
+hb_bool_t
+hb_graphite_shape (hb_font_t          *font,
+		   hb_buffer_t        *buffer,
+		   const hb_feature_t *features,
+		   unsigned int        num_features,
+		   const char * const *shaper_options);
 
 HB_END_DECLS
 
-#endif /* HB_GRAPHITE_H */
+#endif /* HB_GRAPHITE2_H */