Roll HarfBuzz to 1.1.3

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

Index: third_party/harfbuzz-ng/src/hb-shape.h
diff --git a/third_party/harfbuzz-ng/src/hb-shape.h b/third_party/harfbuzz-ng/src/hb-shape.h
index b665509a0ddf736f74e702d02e856fe3c55803f4..53bb845bf48f40758c69ae31a399054b43690413 100644
--- a/third_party/harfbuzz-ng/src/hb-shape.h
+++ b/third_party/harfbuzz-ng/src/hb-shape.h
@@ -47,29 +47,29 @@ typedef struct hb_feature_t {
   unsigned int  end;
 } hb_feature_t;
 
-hb_bool_t
+HB_EXTERN hb_bool_t
 hb_feature_from_string (const char *str, int len,
 			hb_feature_t *feature);
 
-void
+HB_EXTERN void
 hb_feature_to_string (hb_feature_t *feature,
 		      char *buf, unsigned int size);
 
 
-void
+HB_EXTERN void
 hb_shape (hb_font_t           *font,
 	  hb_buffer_t         *buffer,
 	  const hb_feature_t  *features,
 	  unsigned int         num_features);
 
-hb_bool_t
+HB_EXTERN hb_bool_t
 hb_shape_full (hb_font_t          *font,
 	       hb_buffer_t        *buffer,
 	       const hb_feature_t *features,
 	       unsigned int        num_features,
 	       const char * const *shaper_list);
 
-const char **
+HB_EXTERN const char **
 hb_shape_list_shapers (void);