Update harfbuzz-ng to 0.9.27

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

Index: third_party/harfbuzz-ng/src/hb-graphite2.cc
diff --git a/third_party/harfbuzz-ng/src/hb-graphite2.cc b/third_party/harfbuzz-ng/src/hb-graphite2.cc
index 60d68d6b57a6aa69d65ec11940315524bbafaa81..a309ca853bc042def6abf0e2a7c19c10f415a798 100644
--- a/third_party/harfbuzz-ng/src/hb-graphite2.cc
+++ b/third_party/harfbuzz-ng/src/hb-graphite2.cc
@@ -34,8 +34,6 @@
 
 #include <graphite2/Segment.h>
 
-#include "hb-ot-tag.h"
-
 
 HB_SHAPER_DATA_ENSURE_DECLARE(graphite2, face)
 HB_SHAPER_DATA_ENSURE_DECLARE(graphite2, font)
@@ -109,7 +107,7 @@ _hb_graphite2_shaper_face_data_create (hb_face_t *face)
 
   hb_graphite2_shaper_face_data_t *data = (hb_graphite2_shaper_face_data_t *) calloc (1, sizeof (hb_graphite2_shaper_face_data_t));
   if (unlikely (!data))
-    hb_blob_destroy (silf_blob);
+    return NULL;
 
   data->face = face;
   data->grface = gr_make_face (data, &hb_graphite2_get_table, gr_face_preloadAll);