We forgot to pass the Debug option through to Net::SMTP::SSL->new --
which is the same as Net::SMTP->new. This meant that with security
set to SSL, we would never enable debug output.
Pass through the flag.
Signed-off-by: Thomas Rast <tr@thomasrast.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>