Roll HarfBuzz to 1.1.3

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

 /*
  * Copyright © 2009  Red Hat, Inc.
  * Copyright © 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 29 matching lines @@
 HB_BEGIN_DECLS
 
 
 typedef struct hb_feature_t {
   hb_tag_t      tag;
   uint32_t      value;
   unsigned int  start;
   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);
 
 
 HB_END_DECLS
 
 #endif /* HB_SHAPE_H */