This fixes the subtile bug in git send-email that was introduced into
git send-email with
aa54892f5ada8282643dc7387b33261c7135d784 (send-email:
detect invocation errors earlier), which caused no patches to be sent
out if the --compose flag was used.
Signed-off-by: Gustaf Hendeby <hendeby@isy.liu.se>
Tested-by: Seth Falcon <seth@userprimary.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>