Bug#803255: exim4: segfault upon reading /etc/email-addresses

[Sylvain LÉVÊQUE]

> In case it is important, I can reproduce the bug when recompiling from
> source as well.

The segfault is gone after applying the patch available here:
https://bugs.exim.org/show_bug.cgi?id=1708#c10

Thank you
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Sylvain