Brandon Casey 61ef5e9b56 git-send-email.perl: ensure $domain is defined before using it ...

valid_fqdn() may attempt to operate on an undefined value if
Net::Domain::domainname fails to determine the domain name.  This causes
perl to emit unpleasant warnings.

So, add a check for whether $domain has been defined before using it.

Signed-off-by: Brandon Casey <drafnel@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2010-09-27 11:41:45 -07:00

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