Fix minor warnings.
Sync with WinSCP.
Putty: Sync with WinSCP.
Refactoring: TActionLog
uintptr_t Answers
TWinSCPPlugin::MoreMessageDialog: Fix button captions.

(http://forum.farmanager.com/viewtopic.php?p=110769#p110769)
version info: update
M2379: Add new FTP options.
M2379: Add new FTP options: FtpDupFF FtpUndupFF
M2379: Add new FTP options.
M2379: Add new FTP options: FtpDupFF FtpUndupFF
M2379: Filezilla: use options FtpDupFF FtpUndupFF.
CAsyncSocketEx::Send: Use parameter DupFF
CAsyncSocketEx::Receive: Use parameter UndupFF
CAsyncSocketEx::Send: Use parameter DupFF
CAsyncSocketEx::Receive: Use parameter UndupFF
Fix tabs
CAsyncSocketEx::Receive: Use parameter UndupFF
FtpControlSocket.cpp: Check parameter UndupFF after receiving data.
Refactoring: TWinSCPFileSystem::GetFullFilePath