Make printf of gstring null-safe

[exim.git] / test / log / 1106

******** SERVER ********
1999-03-02 09:44:33 exim x.yz daemon started: pid=p1234, no queue runs, listening for SMTP on port PORT_D
1999-03-02 09:44:33 SMTP command timeout on TLS connection from [127.0.0.1] D=qqs