const archive/zip.directory64LocLen

4 uses

	archive/zip (current package)
		reader.go#L538: 	locOffset := directoryEndOffset - directory64LocLen
		reader.go#L542: 	buf := make([]byte, directory64LocLen)
		struct.go#L46: 	directory64LocLen        = 20         //
		writer.go#L156: 		var buf [directory64EndLen + directory64LocLen]byte