Update harfbuzz-ng to 0.9.24

third_party/harfbuzz-ng/src/test-buffer-serialize.cc

Index: third_party/harfbuzz-ng/src/test-buffer-serialize.cc
diff --git a/third_party/harfbuzz-ng/src/test-buffer-serialize.cc b/third_party/harfbuzz-ng/src/test-buffer-serialize.cc
index 3577dbf688eda4b53357cf5212877cb7f3b6a119..18c46e9524b69dd12b972c7fa63c4b4210d397c1 100644
--- a/third_party/harfbuzz-ng/src/test-buffer-serialize.cc
+++ b/third_party/harfbuzz-ng/src/test-buffer-serialize.cc
@@ -34,7 +34,10 @@
 #endif
 
 #ifdef HAVE_GLIB
-#include <glib.h>
+# include <glib.h>
+# if !GLIB_CHECK_VERSION (2, 22, 0)
+#  define g_mapped_file_unref g_mapped_file_free
+# endif
 #endif
 #include <stdlib.h>
 #include <stdio.h>
@@ -114,7 +117,7 @@ main (int argc, char **argv)
     hb_buffer_serialize_glyphs (buf, 0, hb_buffer_get_length (buf),
 				out, sizeof (out), NULL,
 				font, HB_BUFFER_SERIALIZE_FORMAT_JSON,
-				HB_BUFFER_SERIALIZE_FLAGS_DEFAULT);
+				HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
     puts (out);
   }