Update MsTelnetServer_NTLM_Guest.txt

Author: hackerhouse-opensource

MsTelnetServer_NTLM_Guest.txt

@@ -47,7 +47,7 @@ LM/NTLM responses, domain, username, workstation, and session key fields, combin
 with NEGOTIATE_ANONYMOUS and NEGOTIATE_NTLM flags (0x00000A01). This message,
 generated by the client in security.c's DoNTLMAuth function (used by telnetguest.exe),
 is accepted, mapping to the Guest account SID, bypassing the Guest login restriction
-enforced in session.cpp's ParseAndValidateAccount. Post-authentication, session.cpp's
+enforced in iohandlr.cpp's ParseAndValidateAccount. Post-authentication, session.cpp's
 CheckGroupMembership function requires the account to be in the TelnetClients group
 for session authorization; otherwise, access is denied. If the Guest account is in
 the TelnetClients group, the session proceeds to terminal negotiation, but may fail