Custom compile request: Ignore CWD without argument

[verbose]

I have a broken FTP client that is deployed at hundreds of locations that sends a CWD with no argument immediately after logging in. The MS IIS FTP server happily accepts this and returns 250. FileZilla returns a 501 syntax error. Would someone be able to do me a tremendous favor and make the following change to ControlSocket.cpp and recompile the FileZilla server? I don't have the necessary windows build environment.

version 0.9.13b
ControlSocket.cpp
comment out line 619:

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Send(_T("501 Syntax error"));

and insert:

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Send(_T("250 CWD Successful."))

I would be eternally thankful.

[verbose]

Oops, my change won't work as specified. Instead, I think this will work for me:

change line 440:

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COMMAND_CWD,  "CWD",  FALSE, FALSE

and insert above line 616:

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 if (args == "") { Send(_T("250 CWD successful.")); break; }