Fix listquote expansion item to handle empty-string input

[exim.git] / test / log / 3820

******** SERVER ********
1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port PORT_D
1999-03-02 09:44:33 sasl2 authenticator failed for (xxxx) [127.0.0.1]: 535 Incorrect authentication data (set_id=ph10)