http-push.c::remove_locks(): fix use after free Noticed and reported by Serhat Şevki Dinçer. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Acked-by: Clemens Buchacher <drizzd@aon.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>