emu_msvcrt: use fix .c_str() placement
Util::ValidatePath: remove CStdString, update for win32
CURL class: partial CStdString remove
[win32] CURL::GetDirectorySeparator: fix
IsLocal() returns true for network files on localhost
[win32] CURL: function name is defined on Win32, undef it
CURL::Parse: optimization
[win32] CURL::Parse: add direct support for win32 form local and UNC paths
[win32] WIN32Util: add "ConverLocalPathToWin32Form()"
[win32] WIN32Util: add "ConverLocalPathToWin32Form()"
[win32] WINSMBDirectory: Update, remove CStdString
[win32] WINFileSMB::GetLocal: update, remove CStdString
HDDirectory: error checks, update for Win32
HDFile: remove CStdString, update for win32
HDFile: cosmetics: remove comment