Fix bad use of library, copying string over itself

[users/jgh/exim.git] / test / rejectlog / 2103

******** SERVER ********
1999-03-02 09:44:33 H=[ip4.ip4.ip4.ip4] X=TLSv1:ke-RSA-AES256-SHA:xxx CV=no F=<userx@test.ex> rejected RCPT <userx@test.ex>: unacceptable cipher TLSv1:ke-RSA-AES256-SHA:xxx