bugfix: TFileOperationProgressType::LocalBlockSize: remove static_cast<uintptr_t>

This cast makes impossible to transfer large file to remote server
mfc: cleanup
mfc: cleanup
mfc: cleanup
mfc: cleanup
Merge branch 'master' into far3

* master:
  mfc: cleanup
  mfc: cleanup
  mfc: cleanup
  mfc: cleanup
  bugfix: TFileOperationProgressType::LocalBlockSize: remove static_cast<uintptr_t>