Fix warning: Conversion from DWORD to int.
Fix warnings: Unused parameter.
Fix warning: old style cast
Fix warnings: Unused parameter.
Fix warning: Conversion from DWORD to int.
Fix warning: old style cast: Correction.
Refactoring: int --> intptr_t
Fix warning.
SftpFileSystem.cpp: Fix minor warnings.
SftpFileSystem.cpp: Fix warnings: Old style cast.
SftpFileSystem.cpp: Fix minor warnings.
SecureShell.cpp: Fix minor warnings.
SecureShell.cpp: Fix warnings.
FileInfo.cpp: Fix warnings: Old style cast.
SecureShell.cpp: Fix warnings: Unused parameter.
Fix minor warnings.
Fix minor warning: extra ';'
Classes.cpp: Fix minor warnings.
HierarchicalStorage.cpp: Fix minor warnings.
WebDAVFileSystem.cpp: Fix minor warnings.