Gettextize the "To prevent you from losing history" message. A test in
lib-httpd.sh and another in t5541-http-push.sh explicitly checked for
this message. Change them to skip under GETTEXT_POISON=YesPlease.
Signed-off-by: NÆvar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>