Update (old) harfbuzz to ToT

third_party/harfbuzz/src/harfbuzz-buffer.h

Index: third_party/harfbuzz/src/harfbuzz-buffer.h
diff --git a/third_party/harfbuzz/src/harfbuzz-buffer.h b/third_party/harfbuzz/src/harfbuzz-buffer.h
index b1344072dac6d4648e14d0137ea9ca16a4fe7d64..0d7c2c2c7c37a28de45b55f3a3fc295d47a285cc 100644
--- a/third_party/harfbuzz/src/harfbuzz-buffer.h
+++ b/third_party/harfbuzz/src/harfbuzz-buffer.h
@@ -32,6 +32,10 @@
 
 HB_BEGIN_HEADER
 
+#ifdef HB_USE_PACKED_STRUCTS
+#pragma pack(push, 1)
+#endif
+
 typedef struct HB_GlyphItemRec_ {
   HB_UInt     gindex;
   HB_UInt     properties;
@@ -48,13 +52,13 @@ typedef struct HB_PositionRec_ {
   HB_Fixed   y_advance;
   HB_UShort  back;            /* number of glyphs to go back
 				 for drawing current glyph   */
+  HB_Short  cursive_chain;   /* character to which this connects,
+				 may be positive or negative; used
+				 only internally                     */
   HB_Bool    new_advance;     /* if set, the advance width values are
 				 absolute, i.e., they won't be
 				 added to the original glyph's value
 				 but rather replace them.            */
-  HB_Short  cursive_chain;   /* character to which this connects,
-				 may be positive or negative; used
-				 only internally                     */
 } HB_PositionRec, *HB_Position;
 
 
@@ -66,12 +70,12 @@ typedef struct HB_BufferRec_{
   HB_UInt    in_pos;
   HB_UInt    out_pos;
   
-  HB_Bool       separate_out;
   HB_GlyphItem  in_string;
   HB_GlyphItem  out_string;
   HB_GlyphItem  alt_string;
   HB_Position   positions;
   HB_UShort      max_ligID;
+  HB_Bool       separate_out;
 } HB_BufferRec, *HB_Buffer;
 
 HB_Error
@@ -89,6 +93,10 @@ hb_buffer_add_glyph( HB_Buffer buffer,
 		      HB_UInt    properties,
 		      HB_UInt    cluster );
 
+#ifdef HB_USE_PACKED_STRUCTS
+#pragma pack(pop)
+#endif
+
 HB_END_HEADER
 
 #endif /* HARFBUZZ_BUFFER_H */