Fix the way ${extract is skipped in the untaken branch of a conditional.

[exim.git] / test / log / 0441

1999-03-02 09:44:33 10HmaX-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss id=something@[1.2.3.4]
1999-03-02 09:44:33 10HmaY-0005vi-00 <= CALLER@myhost.test.ex U=CALLER P=local S=sss id=something@some.domain