Update harfbuzz-ng to 0.9.24

third_party/harfbuzz-ng/src/hb-open-type-private.hh

Index: third_party/harfbuzz-ng/src/hb-open-type-private.hh
diff --git a/third_party/harfbuzz-ng/src/hb-open-type-private.hh b/third_party/harfbuzz-ng/src/hb-open-type-private.hh
index 6a8b98be6840c2bc6e141c353c70966f9ecfa726..ee3a21dc3b168a70bdc51241d3d8046686a50336 100644
--- a/third_party/harfbuzz-ng/src/hb-open-type-private.hh
+++ b/third_party/harfbuzz-ng/src/hb-open-type-private.hh
@@ -642,15 +642,21 @@ struct LongOffset : ULONG
 /* CheckSum */
 struct CheckSum : ULONG
 {
-  static uint32_t CalcTableChecksum (ULONG *Table, uint32_t Length)
+  /* This is reference implementation from the spec. */
+  static inline uint32_t CalcTableChecksum (const ULONG *Table, uint32_t Length)
   {
     uint32_t Sum = 0L;
-    ULONG *EndPtr = Table+((Length+3) & ~3) / ULONG::static_size;
+    const ULONG *EndPtr = Table+((Length+3) & ~3) / ULONG::static_size;
 
     while (Table < EndPtr)
       Sum += *Table++;
     return Sum;
   }
+
+  /* Note: data should be 4byte aligned and have 4byte padding at the end. */
+  inline void set_for_data (const void *data, unsigned int length)
+  { set (CalcTableChecksum ((const ULONG *) data, length)); }
+
   public:
   DEFINE_SIZE_STATIC (4);
 };