Timezone is required to correctly set local time, which would be needed
for future 'localtime' feature.
While at it, remove unnecessary call to the function from git_log_body,
as its return value is not used anywhere.
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>