[uniscribe] Fix build after recent changes to Offset

src/hb-ot-name-table.hh

@@ -121,7 +121,7 @@ struct name
   /* We only implement format 0 for now. */
   USHORT	format;			/* Format selector (=0/1). */
   USHORT	count;			/* Number of name records. */
-  Offset	stringOffset;		/* Offset to start of string storage (from start of table). */
+  Offset<>	stringOffset;		/* Offset to start of string storage (from start of table). */
   NameRecord	nameRecord[VAR];	/* The name records where count is the number of records. */
   public:
   DEFINE_SIZE_ARRAY (6, nameRecord);