Update to 7-Zip Version 19.00

- Encryption strength for 7z archives was increased the size of random
  initialization vector was increased from 64-bit to 128-bit, and the
  pseudo-random number generator was improved.
- Some bugs were fixed.

CPP/7zip/UI/FileManager/FSFolderCopy.cpp

@@ -161,8 +161,6 @@ static DWORD CALLBACK CopyProgressRoutine(
   LPVOID lpData                         // from CopyFileEx
 )
 {
-  TotalFileSize = TotalFileSize;
-  // TotalBytesTransferred = TotalBytesTransferred;
   // StreamSize = StreamSize;
   // StreamBytesTransferred = StreamBytesTransferred;
   // dwStreamNumber = dwStreamNumber;