Changes to accomodate ServerCore Updates.

__SMTP_QUIT.cpp

@@ -5,7 +5,7 @@ namespace mail {
    
    int __SMTP_QUIT::processCommand(coreutils::PString request, SMTPSession &session, SMTPServer &server, std::stringstream &data) {	   
       data << "221 " << server.hostName << CRLF;
-      session.shutdown("quit request");
+      session.terminate();
       return 1;
    }